{
    "Direct_Mappings": [
        {
            "UDS3_variable": "BIRTHMO",
            "UDS4_variable": "BIRTHMO",
            "crosswalk_remappings": [
                {
                    "mapping_type": "UDS form",
                    "mappings": [
                        {
                            "UDS3_value": "A1",
                            "UDS4_value": "A1",
                            "reversible": "Yes",
                            "note": "NA"
                        }
                    ]
                },
                {
                    "mapping_type": "UDS REDCap question number",
                    "mappings": [
                        {
                            "UDS3_value": "6a",
                            "UDS4_value": "1a",
                            "reversible": "Yes",
                            "note": "NA"
                        }
                    ]
                },
                {
                    "mapping_type": "UDS REDCap field label",
                    "mappings": [
                        {
                            "UDS3_value": "6a. Subject's month of birth",
                            "UDS4_value": "1a. Participant's month of birth",
                            "reversible": "Yes",
                            "note": "NA"
                        }
                    ]
                },
                {
                    "mapping_type": "Data type",
                    "mappings": [
                        {
                            "UDS3_value": "Numeric factor",
                            "UDS4_value": "Numeric factor",
                            "reversible": "Yes",
                            "note": "NA"
                        }
                    ]
                },
                {
                    "mapping_type": "Conformity",
                    "mappings": [
                        {
                            "UDS3_value": "1-12",
                            "UDS4_value": "1-12",
                            "reversible": "NA",
                            "note": "NA"
                        }
                    ]
                },
                {
                    "mapping_type": "Response LEVELS",
                    "mappings": [
                        {
                            "UDS3_value": "1",
                            "UDS4_value": "1",
                            "reversible": "Yes",
                            "note": "NA"
                        }
                    ]
                },
                {
                    "mapping_type": "Response LEVELS",
                    "mappings": [
                        {
                            "UDS3_value": "2",
                            "UDS4_value": "2",
                            "reversible": "Yes",
                            "note": "NA"
                        }
                    ]
                },
                {
                    "mapping_type": "Response LEVELS",
                    "mappings": [
                        {
                            "UDS3_value": "3",
                            "UDS4_value": "3",
                            "reversible": "Yes",
                            "note": "NA"
                        }
                    ]
                },
                {
                    "mapping_type": "Response LEVELS",
                    "mappings": [
                        {
                            "UDS3_value": "4",
                            "UDS4_value": "4",
                            "reversible": "Yes",
                            "note": "NA"
                        }
                    ]
                },
                {
                    "mapping_type": "Response LEVELS",
                    "mappings": [
                        {
                            "UDS3_value": "5",
                            "UDS4_value": "5",
                            "reversible": "Yes",
                            "note": "NA"
                        }
                    ]
                },
                {
                    "mapping_type": "Response LEVELS",
                    "mappings": [
                        {
                            "UDS3_value": "6",
                            "UDS4_value": "6",
                            "reversible": "Yes",
                            "note": "NA"
                        }
                    ]
                },
                {
                    "mapping_type": "Response LEVELS",
                    "mappings": [
                        {
                            "UDS3_value": "7",
                            "UDS4_value": "7",
                            "reversible": "Yes",
                            "note": "NA"
                        }
                    ]
                },
                {
                    "mapping_type": "Response LEVELS",
                    "mappings": [
                        {
                            "UDS3_value": "8",
                            "UDS4_value": "8",
                            "reversible": "Yes",
                            "note": "NA"
                        }
                    ]
                },
                {
                    "mapping_type": "Response LEVELS",
                    "mappings": [
                        {
                            "UDS3_value": "9",
                            "UDS4_value": "9",
                            "reversible": "Yes",
                            "note": "NA"
                        }
                    ]
                },
                {
                    "mapping_type": "Response LEVELS",
                    "mappings": [
                        {
                            "UDS3_value": "10",
                            "UDS4_value": "10",
                            "reversible": "Yes",
                            "note": "NA"
                        }
                    ]
                },
                {
                    "mapping_type": "Response LEVELS",
                    "mappings": [
                        {
                            "UDS3_value": "11",
                            "UDS4_value": "11",
                            "reversible": "Yes",
                            "note": "NA"
                        }
                    ]
                },
                {
                    "mapping_type": "Response LEVELS",
                    "mappings": [
                        {
                            "UDS3_value": "12",
                            "UDS4_value": "12",
                            "reversible": "Yes",
                            "note": "NA"
                        }
                    ]
                },
                {
                    "mapping_type": "Response LEVELS",
                    "mappings": [
                        {
                            "UDS3_value": "1",
                            "UDS4_value": "1 - January",
                            "reversible": "Yes",
                            "note": "NA"
                        }
                    ]
                },
                {
                    "mapping_type": "Response LEVELS",
                    "mappings": [
                        {
                            "UDS3_value": "2",
                            "UDS4_value": "2 - February",
                            "reversible": "Yes",
                            "note": "NA"
                        }
                    ]
                },
                {
                    "mapping_type": "Response LEVELS",
                    "mappings": [
                        {
                            "UDS3_value": "3",
                            "UDS4_value": "3 - March",
                            "reversible": "Yes",
                            "note": "NA"
                        }
                    ]
                },
                {
                    "mapping_type": "Response LEVELS",
                    "mappings": [
                        {
                            "UDS3_value": "4",
                            "UDS4_value": "4 - April",
                            "reversible": "Yes",
                            "note": "NA"
                        }
                    ]
                },
                {
                    "mapping_type": "Response LEVELS",
                    "mappings": [
                        {
                            "UDS3_value": "5",
                            "UDS4_value": "5 - May",
                            "reversible": "Yes",
                            "note": "NA"
                        }
                    ]
                },
                {
                    "mapping_type": "Response LEVELS",
                    "mappings": [
                        {
                            "UDS3_value": "6",
                            "UDS4_value": "6 - June",
                            "reversible": "Yes",
                            "note": "NA"
                        }
                    ]
                },
                {
                    "mapping_type": "Response LEVELS",
                    "mappings": [
                        {
                            "UDS3_value": "7",
                            "UDS4_value": "7 - July",
                            "reversible": "Yes",
                            "note": "NA"
                        }
                    ]
                },
                {
                    "mapping_type": "Response LEVELS",
                    "mappings": [
                        {
                            "UDS3_value": "8",
                            "UDS4_value": "8 - August",
                            "reversible": "Yes",
                            "note": "NA"
                        }
                    ]
                },
                {
                    "mapping_type": "Response LEVELS",
                    "mappings": [
                        {
                            "UDS3_value": "9",
                            "UDS4_value": "9 - September",
                            "reversible": "Yes",
                            "note": "NA"
                        }
                    ]
                },
                {
                    "mapping_type": "Response LEVELS",
                    "mappings": [
                        {
                            "UDS3_value": "10",
                            "UDS4_value": "10 - October",
                            "reversible": "Yes",
                            "note": "NA"
                        }
                    ]
                },
                {
                    "mapping_type": "Response LEVELS",
                    "mappings": [
                        {
                            "UDS3_value": "11",
                            "UDS4_value": "11 - November",
                            "reversible": "Yes",
                            "note": "NA"
                        }
                    ]
                },
                {
                    "mapping_type": "Response LEVELS",
                    "mappings": [
                        {
                            "UDS3_value": "12",
                            "UDS4_value": "12 - December",
                            "reversible": "Yes",
                            "note": "NA"
                        }
                    ]
                }
            ]
        },
        {
            "UDS3_variable": "EDUC",
            "UDS4_variable": "EDUC",
            "crosswalk_remappings": [
                {
                    "mapping_type": "UDS form",
                    "mappings": [
                        {
                            "UDS3_value": "A1",
                            "UDS4_value": "A1",
                            "reversible": "Yes",
                            "note": "NA"
                        }
                    ]
                },
                {
                    "mapping_type": "UDS REDCap question number",
                    "mappings": [
                        {
                            "UDS3_value": "13",
                            "UDS4_value": "10a",
                            "reversible": "Yes",
                            "note": "NA"
                        }
                    ]
                },
                {
                    "mapping_type": "UDS REDCap field label",
                    "mappings": [
                        {
                            "UDS3_value": "13. Subject's years of education - (use the codes below to report the level achieved; if an attempted level is not completed, enter the number of years completed).<br><br>12 = High school or GED, <br>16 = Bachelor's degree, <br>18 = Master's degree; <br>20 = Doctorate, <br>99 = Unknown",
                            "UDS4_value": "10a. How many years of education have you completed?",
                            "reversible": "Yes",
                            "note": "NA"
                        }
                    ]
                },
                {
                    "mapping_type": "Data type",
                    "mappings": [
                        {
                            "UDS3_value": "Entry integer",
                            "UDS4_value": "Number with factor",
                            "reversible": "Yes",
                            "note": "NA"
                        }
                    ]
                },
                {
                    "mapping_type": "Conformity",
                    "mappings": [
                        {
                            "UDS3_value": "0-36, 99",
                            "UDS4_value": "0-36, 99",
                            "reversible": "NA",
                            "note": "NA"
                        }
                    ]
                },
                {
                    "mapping_type": "Response LEVELS",
                    "mappings": [
                        {
                            "UDS3_value": "0",
                            "UDS4_value": "0",
                            "reversible": "Yes",
                            "note": "NA"
                        }
                    ]
                },
                {
                    "mapping_type": "Response LEVELS",
                    "mappings": [
                        {
                            "UDS3_value": "1",
                            "UDS4_value": "1",
                            "reversible": "Yes",
                            "note": "NA"
                        }
                    ]
                },
                {
                    "mapping_type": "Response LEVELS",
                    "mappings": [
                        {
                            "UDS3_value": "2",
                            "UDS4_value": "2",
                            "reversible": "Yes",
                            "note": "NA"
                        }
                    ]
                },
                {
                    "mapping_type": "Response LEVELS",
                    "mappings": [
                        {
                            "UDS3_value": "3",
                            "UDS4_value": "3",
                            "reversible": "Yes",
                            "note": "NA"
                        }
                    ]
                },
                {
                    "mapping_type": "Response LEVELS",
                    "mappings": [
                        {
                            "UDS3_value": "4",
                            "UDS4_value": "4",
                            "reversible": "Yes",
                            "note": "NA"
                        }
                    ]
                },
                {
                    "mapping_type": "Response LEVELS",
                    "mappings": [
                        {
                            "UDS3_value": "5",
                            "UDS4_value": "5",
                            "reversible": "Yes",
                            "note": "NA"
                        }
                    ]
                },
                {
                    "mapping_type": "Response LEVELS",
                    "mappings": [
                        {
                            "UDS3_value": "6",
                            "UDS4_value": "6",
                            "reversible": "Yes",
                            "note": "NA"
                        }
                    ]
                },
                {
                    "mapping_type": "Response LEVELS",
                    "mappings": [
                        {
                            "UDS3_value": "7",
                            "UDS4_value": "7",
                            "reversible": "Yes",
                            "note": "NA"
                        }
                    ]
                },
                {
                    "mapping_type": "Response LEVELS",
                    "mappings": [
                        {
                            "UDS3_value": "8",
                            "UDS4_value": "8",
                            "reversible": "Yes",
                            "note": "NA"
                        }
                    ]
                },
                {
                    "mapping_type": "Response LEVELS",
                    "mappings": [
                        {
                            "UDS3_value": "9",
                            "UDS4_value": "9",
                            "reversible": "Yes",
                            "note": "NA"
                        }
                    ]
                },
                {
                    "mapping_type": "Response LEVELS",
                    "mappings": [
                        {
                            "UDS3_value": "10",
                            "UDS4_value": "10",
                            "reversible": "Yes",
                            "note": "NA"
                        }
                    ]
                },
                {
                    "mapping_type": "Response LEVELS",
                    "mappings": [
                        {
                            "UDS3_value": "11",
                            "UDS4_value": "11",
                            "reversible": "Yes",
                            "note": "NA"
                        }
                    ]
                },
                {
                    "mapping_type": "Response LEVELS",
                    "mappings": [
                        {
                            "UDS3_value": "12",
                            "UDS4_value": "12",
                            "reversible": "Yes",
                            "note": "NA"
                        }
                    ]
                },
                {
                    "mapping_type": "Response LEVELS",
                    "mappings": [
                        {
                            "UDS3_value": "13",
                            "UDS4_value": "13",
                            "reversible": "Yes",
                            "note": "NA"
                        }
                    ]
                },
                {
                    "mapping_type": "Response LEVELS",
                    "mappings": [
                        {
                            "UDS3_value": "14",
                            "UDS4_value": "14",
                            "reversible": "Yes",
                            "note": "NA"
                        }
                    ]
                },
                {
                    "mapping_type": "Response LEVELS",
                    "mappings": [
                        {
                            "UDS3_value": "15",
                            "UDS4_value": "15",
                            "reversible": "Yes",
                            "note": "NA"
                        }
                    ]
                },
                {
                    "mapping_type": "Response LEVELS",
                    "mappings": [
                        {
                            "UDS3_value": "16",
                            "UDS4_value": "16",
                            "reversible": "Yes",
                            "note": "NA"
                        }
                    ]
                },
                {
                    "mapping_type": "Response LEVELS",
                    "mappings": [
                        {
                            "UDS3_value": "17",
                            "UDS4_value": "17",
                            "reversible": "Yes",
                            "note": "NA"
                        }
                    ]
                },
                {
                    "mapping_type": "Response LEVELS",
                    "mappings": [
                        {
                            "UDS3_value": "18",
                            "UDS4_value": "18",
                            "reversible": "Yes",
                            "note": "NA"
                        }
                    ]
                },
                {
                    "mapping_type": "Response LEVELS",
                    "mappings": [
                        {
                            "UDS3_value": "19",
                            "UDS4_value": "19",
                            "reversible": "Yes",
                            "note": "NA"
                        }
                    ]
                },
                {
                    "mapping_type": "Response LEVELS",
                    "mappings": [
                        {
                            "UDS3_value": "20",
                            "UDS4_value": "20",
                            "reversible": "Yes",
                            "note": "NA"
                        }
                    ]
                },
                {
                    "mapping_type": "Response LEVELS",
                    "mappings": [
                        {
                            "UDS3_value": "21",
                            "UDS4_value": "21",
                            "reversible": "Yes",
                            "note": "NA"
                        }
                    ]
                },
                {
                    "mapping_type": "Response LEVELS",
                    "mappings": [
                        {
                            "UDS3_value": "22",
                            "UDS4_value": "22",
                            "reversible": "Yes",
                            "note": "NA"
                        }
                    ]
                },
                {
                    "mapping_type": "Response LEVELS",
                    "mappings": [
                        {
                            "UDS3_value": "23",
                            "UDS4_value": "23",
                            "reversible": "Yes",
                            "note": "NA"
                        }
                    ]
                },
                {
                    "mapping_type": "Response LEVELS",
                    "mappings": [
                        {
                            "UDS3_value": "24",
                            "UDS4_value": "24",
                            "reversible": "Yes",
                            "note": "NA"
                        }
                    ]
                },
                {
                    "mapping_type": "Response LEVELS",
                    "mappings": [
                        {
                            "UDS3_value": "25",
                            "UDS4_value": "25",
                            "reversible": "Yes",
                            "note": "NA"
                        }
                    ]
                },
                {
                    "mapping_type": "Response LEVELS",
                    "mappings": [
                        {
                            "UDS3_value": "26",
                            "UDS4_value": "26",
                            "reversible": "Yes",
                            "note": "NA"
                        }
                    ]
                },
                {
                    "mapping_type": "Response LEVELS",
                    "mappings": [
                        {
                            "UDS3_value": "27",
                            "UDS4_value": "27",
                            "reversible": "Yes",
                            "note": "NA"
                        }
                    ]
                },
                {
                    "mapping_type": "Response LEVELS",
                    "mappings": [
                        {
                            "UDS3_value": "28",
                            "UDS4_value": "28",
                            "reversible": "Yes",
                            "note": "NA"
                        }
                    ]
                },
                {
                    "mapping_type": "Response LEVELS",
                    "mappings": [
                        {
                            "UDS3_value": "29",
                            "UDS4_value": "29",
                            "reversible": "Yes",
                            "note": "NA"
                        }
                    ]
                },
                {
                    "mapping_type": "Response LEVELS",
                    "mappings": [
                        {
                            "UDS3_value": "30",
                            "UDS4_value": "30",
                            "reversible": "Yes",
                            "note": "NA"
                        }
                    ]
                },
                {
                    "mapping_type": "Response LEVELS",
                    "mappings": [
                        {
                            "UDS3_value": "31",
                            "UDS4_value": "31",
                            "reversible": "Yes",
                            "note": "NA"
                        }
                    ]
                },
                {
                    "mapping_type": "Response LEVELS",
                    "mappings": [
                        {
                            "UDS3_value": "32",
                            "UDS4_value": "32",
                            "reversible": "Yes",
                            "note": "NA"
                        }
                    ]
                },
                {
                    "mapping_type": "Response LEVELS",
                    "mappings": [
                        {
                            "UDS3_value": "33",
                            "UDS4_value": "33",
                            "reversible": "Yes",
                            "note": "NA"
                        }
                    ]
                },
                {
                    "mapping_type": "Response LEVELS",
                    "mappings": [
                        {
                            "UDS3_value": "34",
                            "UDS4_value": "34",
                            "reversible": "Yes",
                            "note": "NA"
                        }
                    ]
                },
                {
                    "mapping_type": "Response LEVELS",
                    "mappings": [
                        {
                            "UDS3_value": "35",
                            "UDS4_value": "35",
                            "reversible": "Yes",
                            "note": "NA"
                        }
                    ]
                },
                {
                    "mapping_type": "Response LEVELS",
                    "mappings": [
                        {
                            "UDS3_value": "36",
                            "UDS4_value": "36",
                            "reversible": "Yes",
                            "note": "NA"
                        }
                    ]
                },
                {
                    "mapping_type": "Response LEVELS",
                    "mappings": [
                        {
                            "UDS3_value": "99",
                            "UDS4_value": "99",
                            "reversible": "Yes",
                            "note": "NA"
                        }
                    ]
                },
                {
                    "mapping_type": "Response LABELS",
                    "mappings": [
                        {
                            "UDS3_value": "0",
                            "UDS4_value": "0",
                            "reversible": "Yes",
                            "note": "NA"
                        }
                    ]
                },
                {
                    "mapping_type": "Response LABELS",
                    "mappings": [
                        {
                            "UDS3_value": "1",
                            "UDS4_value": "1",
                            "reversible": "Yes",
                            "note": "NA"
                        }
                    ]
                },
                {
                    "mapping_type": "Response LABELS",
                    "mappings": [
                        {
                            "UDS3_value": "2",
                            "UDS4_value": "2",
                            "reversible": "Yes",
                            "note": "NA"
                        }
                    ]
                },
                {
                    "mapping_type": "Response LABELS",
                    "mappings": [
                        {
                            "UDS3_value": "3",
                            "UDS4_value": "3",
                            "reversible": "Yes",
                            "note": "NA"
                        }
                    ]
                },
                {
                    "mapping_type": "Response LABELS",
                    "mappings": [
                        {
                            "UDS3_value": "4",
                            "UDS4_value": "4",
                            "reversible": "Yes",
                            "note": "NA"
                        }
                    ]
                },
                {
                    "mapping_type": "Response LABELS",
                    "mappings": [
                        {
                            "UDS3_value": "5",
                            "UDS4_value": "5",
                            "reversible": "Yes",
                            "note": "NA"
                        }
                    ]
                },
                {
                    "mapping_type": "Response LABELS",
                    "mappings": [
                        {
                            "UDS3_value": "6",
                            "UDS4_value": "6",
                            "reversible": "Yes",
                            "note": "NA"
                        }
                    ]
                },
                {
                    "mapping_type": "Response LABELS",
                    "mappings": [
                        {
                            "UDS3_value": "7",
                            "UDS4_value": "7",
                            "reversible": "Yes",
                            "note": "NA"
                        }
                    ]
                },
                {
                    "mapping_type": "Response LABELS",
                    "mappings": [
                        {
                            "UDS3_value": "8",
                            "UDS4_value": "8",
                            "reversible": "Yes",
                            "note": "NA"
                        }
                    ]
                },
                {
                    "mapping_type": "Response LABELS",
                    "mappings": [
                        {
                            "UDS3_value": "9",
                            "UDS4_value": "9",
                            "reversible": "Yes",
                            "note": "NA"
                        }
                    ]
                },
                {
                    "mapping_type": "Response LABELS",
                    "mappings": [
                        {
                            "UDS3_value": "10",
                            "UDS4_value": "10",
                            "reversible": "Yes",
                            "note": "NA"
                        }
                    ]
                },
                {
                    "mapping_type": "Response LABELS",
                    "mappings": [
                        {
                            "UDS3_value": "11",
                            "UDS4_value": "11",
                            "reversible": "Yes",
                            "note": "NA"
                        }
                    ]
                },
                {
                    "mapping_type": "Response LABELS",
                    "mappings": [
                        {
                            "UDS3_value": "12",
                            "UDS4_value": "12",
                            "reversible": "Yes",
                            "note": "NA"
                        }
                    ]
                },
                {
                    "mapping_type": "Response LABELS",
                    "mappings": [
                        {
                            "UDS3_value": "13",
                            "UDS4_value": "13",
                            "reversible": "Yes",
                            "note": "NA"
                        }
                    ]
                },
                {
                    "mapping_type": "Response LABELS",
                    "mappings": [
                        {
                            "UDS3_value": "14",
                            "UDS4_value": "14",
                            "reversible": "Yes",
                            "note": "NA"
                        }
                    ]
                },
                {
                    "mapping_type": "Response LABELS",
                    "mappings": [
                        {
                            "UDS3_value": "15",
                            "UDS4_value": "15",
                            "reversible": "Yes",
                            "note": "NA"
                        }
                    ]
                },
                {
                    "mapping_type": "Response LABELS",
                    "mappings": [
                        {
                            "UDS3_value": "16",
                            "UDS4_value": "16",
                            "reversible": "Yes",
                            "note": "NA"
                        }
                    ]
                },
                {
                    "mapping_type": "Response LABELS",
                    "mappings": [
                        {
                            "UDS3_value": "17",
                            "UDS4_value": "17",
                            "reversible": "Yes",
                            "note": "NA"
                        }
                    ]
                },
                {
                    "mapping_type": "Response LABELS",
                    "mappings": [
                        {
                            "UDS3_value": "18",
                            "UDS4_value": "18",
                            "reversible": "Yes",
                            "note": "NA"
                        }
                    ]
                },
                {
                    "mapping_type": "Response LABELS",
                    "mappings": [
                        {
                            "UDS3_value": "19",
                            "UDS4_value": "19",
                            "reversible": "Yes",
                            "note": "NA"
                        }
                    ]
                },
                {
                    "mapping_type": "Response LABELS",
                    "mappings": [
                        {
                            "UDS3_value": "20",
                            "UDS4_value": "20",
                            "reversible": "Yes",
                            "note": "NA"
                        }
                    ]
                },
                {
                    "mapping_type": "Response LABELS",
                    "mappings": [
                        {
                            "UDS3_value": "21",
                            "UDS4_value": "21",
                            "reversible": "Yes",
                            "note": "NA"
                        }
                    ]
                },
                {
                    "mapping_type": "Response LABELS",
                    "mappings": [
                        {
                            "UDS3_value": "22",
                            "UDS4_value": "22",
                            "reversible": "Yes",
                            "note": "NA"
                        }
                    ]
                },
                {
                    "mapping_type": "Response LABELS",
                    "mappings": [
                        {
                            "UDS3_value": "23",
                            "UDS4_value": "23",
                            "reversible": "Yes",
                            "note": "NA"
                        }
                    ]
                },
                {
                    "mapping_type": "Response LABELS",
                    "mappings": [
                        {
                            "UDS3_value": "24",
                            "UDS4_value": "24",
                            "reversible": "Yes",
                            "note": "NA"
                        }
                    ]
                },
                {
                    "mapping_type": "Response LABELS",
                    "mappings": [
                        {
                            "UDS3_value": "25",
                            "UDS4_value": "25",
                            "reversible": "Yes",
                            "note": "NA"
                        }
                    ]
                },
                {
                    "mapping_type": "Response LABELS",
                    "mappings": [
                        {
                            "UDS3_value": "26",
                            "UDS4_value": "26",
                            "reversible": "Yes",
                            "note": "NA"
                        }
                    ]
                },
                {
                    "mapping_type": "Response LABELS",
                    "mappings": [
                        {
                            "UDS3_value": "27",
                            "UDS4_value": "27",
                            "reversible": "Yes",
                            "note": "NA"
                        }
                    ]
                },
                {
                    "mapping_type": "Response LABELS",
                    "mappings": [
                        {
                            "UDS3_value": "28",
                            "UDS4_value": "28",
                            "reversible": "Yes",
                            "note": "NA"
                        }
                    ]
                },
                {
                    "mapping_type": "Response LABELS",
                    "mappings": [
                        {
                            "UDS3_value": "29",
                            "UDS4_value": "29",
                            "reversible": "Yes",
                            "note": "NA"
                        }
                    ]
                },
                {
                    "mapping_type": "Response LABELS",
                    "mappings": [
                        {
                            "UDS3_value": "30",
                            "UDS4_value": "30",
                            "reversible": "Yes",
                            "note": "NA"
                        }
                    ]
                },
                {
                    "mapping_type": "Response LABELS",
                    "mappings": [
                        {
                            "UDS3_value": "31",
                            "UDS4_value": "31",
                            "reversible": "Yes",
                            "note": "NA"
                        }
                    ]
                },
                {
                    "mapping_type": "Response LABELS",
                    "mappings": [
                        {
                            "UDS3_value": "32",
                            "UDS4_value": "32",
                            "reversible": "Yes",
                            "note": "NA"
                        }
                    ]
                },
                {
                    "mapping_type": "Response LABELS",
                    "mappings": [
                        {
                            "UDS3_value": "33",
                            "UDS4_value": "33",
                            "reversible": "Yes",
                            "note": "NA"
                        }
                    ]
                },
                {
                    "mapping_type": "Response LABELS",
                    "mappings": [
                        {
                            "UDS3_value": "34",
                            "UDS4_value": "34",
                            "reversible": "Yes",
                            "note": "NA"
                        }
                    ]
                },
                {
                    "mapping_type": "Response LABELS",
                    "mappings": [
                        {
                            "UDS3_value": "35",
                            "UDS4_value": "35",
                            "reversible": "Yes",
                            "note": "NA"
                        }
                    ]
                },
                {
                    "mapping_type": "Response LABELS",
                    "mappings": [
                        {
                            "UDS3_value": "36",
                            "UDS4_value": "36",
                            "reversible": "Yes",
                            "note": "NA"
                        }
                    ]
                },
                {
                    "mapping_type": "Response LABELS",
                    "mappings": [
                        {
                            "UDS3_value": "99",
                            "UDS4_value": "99 = Unknown",
                            "reversible": "Yes",
                            "note": "NA"
                        }
                    ]
                }
            ]
        },
        {
            "UDS3_variable": "HANDED",
            "UDS4_variable": "HANDED",
            "crosswalk_remappings": [
                {
                    "mapping_type": "UDS form",
                    "mappings": [
                        {
                            "UDS3_value": "A1",
                            "UDS4_value": "A1",
                            "reversible": "Yes",
                            "note": "NA"
                        }
                    ]
                },
                {
                    "mapping_type": "UDS REDCap question number",
                    "mappings": [
                        {
                            "UDS3_value": "19",
                            "UDS4_value": "9",
                            "reversible": "Yes",
                            "note": "NA"
                        }
                    ]
                },
                {
                    "mapping_type": "UDS REDCap field label",
                    "mappings": [
                        {
                            "UDS3_value": "19. Is the subject left- or right- handed <i>(for example, which hand would s/he normally use to write or throw a ball)?</i>",
                            "UDS4_value": "9. Are you left- or right-handed (for example, which hand would normally be used for writing or throwing a ball)?",
                            "reversible": "Yes",
                            "note": "NA"
                        }
                    ]
                },
                {
                    "mapping_type": "Data type",
                    "mappings": [
                        {
                            "UDS3_value": "Numeric factor",
                            "UDS4_value": "Numeric factor",
                            "reversible": "Yes",
                            "note": "NA"
                        }
                    ]
                },
                {
                    "mapping_type": "Conformity",
                    "mappings": [
                        {
                            "UDS3_value": "1-3, 9",
                            "UDS4_value": "1-3, 9",
                            "reversible": "NA",
                            "note": "NA"
                        }
                    ]
                },
                {
                    "mapping_type": "Response LEVELS",
                    "mappings": [
                        {
                            "UDS3_value": "1",
                            "UDS4_value": "1",
                            "reversible": "Yes",
                            "note": "NA"
                        }
                    ]
                },
                {
                    "mapping_type": "Response LEVELS",
                    "mappings": [
                        {
                            "UDS3_value": "2",
                            "UDS4_value": "2",
                            "reversible": "Yes",
                            "note": "NA"
                        }
                    ]
                },
                {
                    "mapping_type": "Response LEVELS",
                    "mappings": [
                        {
                            "UDS3_value": "3",
                            "UDS4_value": "3",
                            "reversible": "Yes",
                            "note": "NA"
                        }
                    ]
                },
                {
                    "mapping_type": "Response LEVELS",
                    "mappings": [
                        {
                            "UDS3_value": "9",
                            "UDS4_value": "9",
                            "reversible": "Yes",
                            "note": "NA"
                        }
                    ]
                },
                {
                    "mapping_type": "Response LABELS",
                    "mappings": [
                        {
                            "UDS3_value": "1 Left-handed",
                            "UDS4_value": "Left-handed",
                            "reversible": "Yes",
                            "note": "NA"
                        }
                    ]
                },
                {
                    "mapping_type": "Response LABELS",
                    "mappings": [
                        {
                            "UDS3_value": "2 Right-handed",
                            "UDS4_value": "Right-handed",
                            "reversible": "Yes",
                            "note": "NA"
                        }
                    ]
                },
                {
                    "mapping_type": "Response LABELS",
                    "mappings": [
                        {
                            "UDS3_value": "3 Ambidextrous",
                            "UDS4_value": "Ambidextrous",
                            "reversible": "Yes",
                            "note": "NA"
                        }
                    ]
                },
                {
                    "mapping_type": "Response LABELS",
                    "mappings": [
                        {
                            "UDS3_value": "9 Unknown",
                            "UDS4_value": "Don't know",
                            "reversible": "Yes",
                            "note": "NA"
                        }
                    ]
                }
            ]
        },
        {
            "UDS3_variable": "HISPORX",
            "UDS4_variable": "ETHHISOTHX",
            "crosswalk_remappings": [
                {
                    "mapping_type": "UDS form",
                    "mappings": [
                        {
                            "UDS3_value": "A1",
                            "UDS4_value": "A1",
                            "reversible": "Yes",
                            "note": "NA"
                        }
                    ]
                },
                {
                    "mapping_type": "UDS REDCap question number",
                    "mappings": [
                        {
                            "UDS3_value": "8a1",
                            "UDS4_value": "3d7a",
                            "reversible": "Yes",
                            "note": "NA"
                        }
                    ]
                },
                {
                    "mapping_type": "UDS REDCap field label",
                    "mappings": [
                        {
                            "UDS3_value": "8a1. Other (specify subjects reported origins):",
                            "UDS4_value": "3d7a. Race - Hispanic or Latino - Other (Specify)",
                            "reversible": "Yes",
                            "note": "NA"
                        }
                    ]
                },
                {
                    "mapping_type": "Data type",
                    "mappings": [
                        {
                            "UDS3_value": "Character",
                            "UDS4_value": "Character",
                            "reversible": "Yes",
                            "note": "NA"
                        }
                    ]
                },
                {
                    "mapping_type": "Conformity",
                    "mappings": [
                        {
                            "UDS3_value": "Any text or numbers with the exception of single quotes (‘), double quotes (“), ampersands (&), and percentage signs (%).",
                            "UDS4_value": "Any text or numbers with the exception of single quotes (‘), double quotes (“), ampersands (&), and percentage signs (%)",
                            "reversible": "NA",
                            "note": "NA"
                        }
                    ]
                }
            ]
        },
        {
            "UDS3_variable": "LIVSITUA",
            "UDS4_variable": "LIVSITUA",
            "crosswalk_remappings": [
                {
                    "mapping_type": "UDS form",
                    "mappings": [
                        {
                            "UDS3_value": "A1",
                            "UDS4_value": "A1",
                            "reversible": "Yes",
                            "note": "NA"
                        }
                    ]
                },
                {
                    "mapping_type": "UDS REDCap question number",
                    "mappings": [
                        {
                            "UDS3_value": "15",
                            "UDS4_value": "12",
                            "reversible": "Yes",
                            "note": "NA"
                        }
                    ]
                },
                {
                    "mapping_type": "UDS REDCap field label",
                    "mappings": [
                        {
                            "UDS3_value": "15. What is the subject's living situation?",
                            "UDS4_value": "12. What is your living situation?",
                            "reversible": "Yes",
                            "note": "NA"
                        }
                    ]
                },
                {
                    "mapping_type": "Data type",
                    "mappings": [
                        {
                            "UDS3_value": "Numeric factor",
                            "UDS4_value": "Numeric factor",
                            "reversible": "Yes",
                            "note": "NA"
                        }
                    ]
                },
                {
                    "mapping_type": "Conformity",
                    "mappings": [
                        {
                            "UDS3_value": "1-6, 9",
                            "UDS4_value": "1-6, 9",
                            "reversible": "NA",
                            "note": "NA"
                        }
                    ]
                },
                {
                    "mapping_type": "Response LEVELS",
                    "mappings": [
                        {
                            "UDS3_value": "1",
                            "UDS4_value": "1",
                            "reversible": "Yes",
                            "note": "NA"
                        }
                    ]
                },
                {
                    "mapping_type": "Response LEVELS",
                    "mappings": [
                        {
                            "UDS3_value": "2",
                            "UDS4_value": "2",
                            "reversible": "Yes",
                            "note": "NA"
                        }
                    ]
                },
                {
                    "mapping_type": "Response LEVELS",
                    "mappings": [
                        {
                            "UDS3_value": "3",
                            "UDS4_value": "3",
                            "reversible": "Yes",
                            "note": "NA"
                        }
                    ]
                },
                {
                    "mapping_type": "Response LEVELS",
                    "mappings": [
                        {
                            "UDS3_value": "4",
                            "UDS4_value": "4",
                            "reversible": "Yes",
                            "note": "NA"
                        }
                    ]
                },
                {
                    "mapping_type": "Response LEVELS",
                    "mappings": [
                        {
                            "UDS3_value": "5",
                            "UDS4_value": "5",
                            "reversible": "Yes",
                            "note": "NA"
                        }
                    ]
                },
                {
                    "mapping_type": "Response LEVELS",
                    "mappings": [
                        {
                            "UDS3_value": "6",
                            "UDS4_value": "6",
                            "reversible": "Yes",
                            "note": "NA"
                        }
                    ]
                },
                {
                    "mapping_type": "Response LEVELS",
                    "mappings": [
                        {
                            "UDS3_value": "9",
                            "UDS4_value": "9",
                            "reversible": "Yes",
                            "note": "NA"
                        }
                    ]
                },
                {
                    "mapping_type": "Response LABELS",
                    "mappings": [
                        {
                            "UDS3_value": "1 Lives alone",
                            "UDS4_value": "Live alone",
                            "reversible": "Yes",
                            "note": "NA"
                        }
                    ]
                },
                {
                    "mapping_type": "Response LABELS",
                    "mappings": [
                        {
                            "UDS3_value": "2 Lives with one other person: a spouse or partner",
                            "UDS4_value": "Live with one other person: a spouse or partner",
                            "reversible": "Yes",
                            "note": "NA"
                        }
                    ]
                },
                {
                    "mapping_type": "Response LABELS",
                    "mappings": [
                        {
                            "UDS3_value": "3 Lives with one other person: a relative, friend, or roommate",
                            "UDS4_value": "Live with one other person: a relative, friend, or roommate",
                            "reversible": "Yes",
                            "note": "NA"
                        }
                    ]
                },
                {
                    "mapping_type": "Response LABELS",
                    "mappings": [
                        {
                            "UDS3_value": "4 Lives with caregiver who is not spouse/partner, relative, or friend",
                            "UDS4_value": "Live with caregiver who is not spouse/partner, relative, or friend",
                            "reversible": "Yes",
                            "note": "NA"
                        }
                    ]
                },
                {
                    "mapping_type": "Response LABELS",
                    "mappings": [
                        {
                            "UDS3_value": "5 Lives with a group (related or not related) in a private residence",
                            "UDS4_value": "Live with a group <i>(related or not related)</i> in a private residence",
                            "reversible": "Yes",
                            "note": "NA"
                        }
                    ]
                },
                {
                    "mapping_type": "Response LABELS",
                    "mappings": [
                        {
                            "UDS3_value": "6 Lives in group home (e.g., assisted living, nursing home, convent)",
                            "UDS4_value": "Live in group home <i>(e.g., assisted living, nursing home, convent)</i>",
                            "reversible": "Yes",
                            "note": "NA"
                        }
                    ]
                },
                {
                    "mapping_type": "Response LABELS",
                    "mappings": [
                        {
                            "UDS3_value": "9 Unknown",
                            "UDS4_value": "Don't know",
                            "reversible": "Yes",
                            "note": "NA"
                        }
                    ]
                }
            ]
        },
        {
            "UDS3_variable": "MARISTAT",
            "UDS4_variable": "MARISTAT",
            "crosswalk_remappings": [
                {
                    "mapping_type": "UDS form",
                    "mappings": [
                        {
                            "UDS3_value": "A1",
                            "UDS4_value": "A1",
                            "reversible": "Yes",
                            "note": "NA"
                        }
                    ]
                },
                {
                    "mapping_type": "UDS REDCap question number",
                    "mappings": [
                        {
                            "UDS3_value": "14",
                            "UDS4_value": "11",
                            "reversible": "Yes",
                            "note": "NA"
                        }
                    ]
                },
                {
                    "mapping_type": "UDS REDCap field label",
                    "mappings": [
                        {
                            "UDS3_value": "14. Subject's <u> current </u> marital status:",
                            "UDS4_value": "11. What is your current marital status?",
                            "reversible": "Yes",
                            "note": "NA"
                        }
                    ]
                },
                {
                    "mapping_type": "Data type",
                    "mappings": [
                        {
                            "UDS3_value": "Numeric factor",
                            "UDS4_value": "Numeric factor",
                            "reversible": "Yes",
                            "note": "NA"
                        }
                    ]
                },
                {
                    "mapping_type": "Conformity",
                    "mappings": [
                        {
                            "UDS3_value": "1-6, 9",
                            "UDS4_value": "1-6, 9",
                            "reversible": "NA",
                            "note": "NA"
                        }
                    ]
                },
                {
                    "mapping_type": "Response LEVELS",
                    "mappings": [
                        {
                            "UDS3_value": "1",
                            "UDS4_value": "1",
                            "reversible": "Yes",
                            "note": "NA"
                        }
                    ]
                },
                {
                    "mapping_type": "Response LEVELS",
                    "mappings": [
                        {
                            "UDS3_value": "2",
                            "UDS4_value": "2",
                            "reversible": "Yes",
                            "note": "NA"
                        }
                    ]
                },
                {
                    "mapping_type": "Response LEVELS",
                    "mappings": [
                        {
                            "UDS3_value": "3",
                            "UDS4_value": "3",
                            "reversible": "Yes",
                            "note": "NA"
                        }
                    ]
                },
                {
                    "mapping_type": "Response LEVELS",
                    "mappings": [
                        {
                            "UDS3_value": "4",
                            "UDS4_value": "4",
                            "reversible": "Yes",
                            "note": "NA"
                        }
                    ]
                },
                {
                    "mapping_type": "Response LEVELS",
                    "mappings": [
                        {
                            "UDS3_value": "5",
                            "UDS4_value": "5",
                            "reversible": "Yes",
                            "note": "NA"
                        }
                    ]
                },
                {
                    "mapping_type": "Response LEVELS",
                    "mappings": [
                        {
                            "UDS3_value": "6",
                            "UDS4_value": "6",
                            "reversible": "Yes",
                            "note": "NA"
                        }
                    ]
                },
                {
                    "mapping_type": "Response LEVELS",
                    "mappings": [
                        {
                            "UDS3_value": "9",
                            "UDS4_value": "9",
                            "reversible": "Yes",
                            "note": "NA"
                        }
                    ]
                },
                {
                    "mapping_type": "Response LABELS",
                    "mappings": [
                        {
                            "UDS3_value": "1 Married",
                            "UDS4_value": "Married",
                            "reversible": "Yes",
                            "note": "NA"
                        }
                    ]
                },
                {
                    "mapping_type": "Response LABELS",
                    "mappings": [
                        {
                            "UDS3_value": "2 Widowed",
                            "UDS4_value": "Widowed",
                            "reversible": "Yes",
                            "note": "NA"
                        }
                    ]
                },
                {
                    "mapping_type": "Response LABELS",
                    "mappings": [
                        {
                            "UDS3_value": "3 Divorced",
                            "UDS4_value": "Divorced",
                            "reversible": "Yes",
                            "note": "NA"
                        }
                    ]
                },
                {
                    "mapping_type": "Response LABELS",
                    "mappings": [
                        {
                            "UDS3_value": "4 Separated",
                            "UDS4_value": "Separated",
                            "reversible": "Yes",
                            "note": "NA"
                        }
                    ]
                },
                {
                    "mapping_type": "Response LABELS",
                    "mappings": [
                        {
                            "UDS3_value": "5 Never married (or marriage was annulled)",
                            "UDS4_value": "Never married (or marriage was annulled)",
                            "reversible": "Yes",
                            "note": "NA"
                        }
                    ]
                },
                {
                    "mapping_type": "Response LABELS",
                    "mappings": [
                        {
                            "UDS3_value": "6 Living as married/domestic partner",
                            "UDS4_value": "Living as married / domestic partner",
                            "reversible": "Yes",
                            "note": "NA"
                        }
                    ]
                },
                {
                    "mapping_type": "Response LABELS",
                    "mappings": [
                        {
                            "UDS3_value": "9 Unknown",
                            "UDS4_value": "Don't know",
                            "reversible": "Yes",
                            "note": "NA"
                        }
                    ]
                }
            ]
        },
        {
            "UDS3_variable": "PACKET__A1",
            "UDS4_variable": "PACKET__A1",
            "crosswalk_remappings": [
                {
                    "mapping_type": "UDS Form",
                    "mappings": [
                        {
                            "UDS3_value": "FORM_HEADER__A1",
                            "UDS4_value": "FORM_HEADER__A1",
                            "reversible": "Yes",
                            "note": "UDS3 PACKET__A1 in DED RDD only"
                        }
                    ]
                },
                {
                    "mapping_type": "UDS REDCap question number",
                    "mappings": [
                        {
                            "UDS3_value": "H0",
                            "UDS4_value": "H4",
                            "reversible": "Yes",
                            "note": "UDS3 PACKET__A1 in DED RDD only; Imputed position numbers"
                        }
                    ]
                },
                {
                    "mapping_type": "UDS REDCap field label",
                    "mappings": [
                        {
                            "UDS3_value": "Packet code__A1",
                            "UDS4_value": "Packet Code__A1",
                            "reversible": "Yes",
                            "note": "UDS3 PACKET__A1 in DED RDD only"
                        }
                    ]
                },
                {
                    "mapping_type": "Data type",
                    "mappings": [
                        {
                            "UDS3_value": "Character",
                            "UDS4_value": "Character factor",
                            "reversible": "Yes",
                            "note": "UDS3 PACKET__A1 in DED RDD only"
                        }
                    ]
                },
                {
                    "mapping_type": "Conformity",
                    "mappings": [
                        {
                            "UDS3_value": "I, F, IT, T",
                            "UDS4_value": "I, F, T",
                            "reversible": "NA",
                            "note": "UDS3 PACKET__A1 in DED RDD only"
                        }
                    ]
                },
                {
                    "mapping_type": "Response LEVELS",
                    "mappings": [
                        {
                            "UDS3_value": "I",
                            "UDS4_value": "I",
                            "reversible": "Yes",
                            "note": "UDS3 PACKET__A1 in DED RDD only"
                        }
                    ]
                },
                {
                    "mapping_type": "Response LEVELS",
                    "mappings": [
                        {
                            "UDS3_value": "F",
                            "UDS4_value": "F",
                            "reversible": "Yes",
                            "note": "UDS3 PACKET__A1 in DED RDD only"
                        }
                    ]
                },
                {
                    "mapping_type": "Response LEVELS",
                    "mappings": [
                        {
                            "UDS3_value": "T",
                            "UDS4_value": "T",
                            "reversible": "Yes",
                            "note": "UDS3 PACKET__A1 in DED RDD only"
                        }
                    ]
                },
                {
                    "mapping_type": "Response LABELS",
                    "mappings": [
                        {
                            "UDS3_value": "Initial Visit Packet",
                            "UDS4_value": "Initial Visit Packet",
                            "reversible": "Yes",
                            "note": "UDS3 PACKET__A1 in DED RDD only"
                        }
                    ]
                },
                {
                    "mapping_type": "Response LABELS",
                    "mappings": [
                        {
                            "UDS3_value": "Follow-up Visit Packet",
                            "UDS4_value": "Follow-up Visit Packet",
                            "reversible": "Yes",
                            "note": "UDS3 PACKET__A1 in DED RDD only"
                        }
                    ]
                },
                {
                    "mapping_type": "Response LABELS",
                    "mappings": [
                        {
                            "UDS3_value": "Telephone Visit Packet",
                            "UDS4_value": "Telephone Visit Packet",
                            "reversible": "Yes",
                            "note": "UDS3 PACKET__A1 in DED RDD only"
                        }
                    ]
                }
            ]
        },
        {
            "UDS3_variable": "PRIMLANGX",
            "UDS4_variable": "PREDOMLANX",
            "crosswalk_remappings": [
                {
                    "mapping_type": "UDS form",
                    "mappings": [
                        {
                            "UDS3_value": "A1",
                            "UDS4_value": "A1",
                            "reversible": "Yes",
                            "note": "NA"
                        }
                    ]
                },
                {
                    "mapping_type": "UDS REDCap question number",
                    "mappings": [
                        {
                            "UDS3_value": "12a",
                            "UDS4_value": "8a",
                            "reversible": "Yes",
                            "note": "NA"
                        }
                    ]
                },
                {
                    "mapping_type": "UDS REDCap field label",
                    "mappings": [
                        {
                            "UDS3_value": "12a. Other (specify subject's primary language):",
                            "UDS4_value": "8a. Participant's primary language-Other (specify)",
                            "reversible": "Yes",
                            "note": "NA"
                        }
                    ]
                },
                {
                    "mapping_type": "Data type",
                    "mappings": [
                        {
                            "UDS3_value": "Character",
                            "UDS4_value": "Character",
                            "reversible": "Yes",
                            "note": "NA"
                        }
                    ]
                },
                {
                    "mapping_type": "Conformity",
                    "mappings": [
                        {
                            "UDS3_value": "Any text or numbers with the exception of single quotes (‘), double quotes (“), ampersands (&), and percentage signs (%).",
                            "UDS4_value": "Any text or numbers with the exception of single quotes (‘), double quotes (“), ampersands (&), and percentage signs (%)",
                            "reversible": "NA",
                            "note": "NA"
                        }
                    ]
                }
            ]
        },
        {
            "UDS3_variable": "PTID__A1",
            "UDS4_variable": "PTID__A1",
            "crosswalk_remappings": [
                {
                    "mapping_type": "UDS Form",
                    "mappings": [
                        {
                            "UDS3_value": "FORM_HEADER__A1",
                            "UDS4_value": "FORM_HEADER__A1",
                            "reversible": "Yes",
                            "note": "NA"
                        }
                    ]
                },
                {
                    "mapping_type": "UDS REDCap question number",
                    "mappings": [
                        {
                            "UDS3_value": "H1",
                            "UDS4_value": "H1",
                            "reversible": "Yes",
                            "note": "Imputed position numbers"
                        }
                    ]
                },
                {
                    "mapping_type": "UDS REDCap field label",
                    "mappings": [
                        {
                            "UDS3_value": "ADC Subject ID__A1",
                            "UDS4_value": "PTID__A1",
                            "reversible": "Yes",
                            "note": "NA"
                        }
                    ]
                },
                {
                    "mapping_type": "Data type",
                    "mappings": [
                        {
                            "UDS3_value": "Character",
                            "UDS4_value": "Character",
                            "reversible": "Yes",
                            "note": "NA"
                        }
                    ]
                },
                {
                    "mapping_type": "Conformity",
                    "mappings": [
                        {
                            "UDS3_value": "Any text or numbers with the exception of single quotes (‘), double quotes (“), ampersands (&), and percentage signs (%)",
                            "UDS4_value": "Any text or numbers with the exception of single quotes (‘), double quotes (“), ampersands (&), and percentage signs (%)",
                            "reversible": "NA",
                            "note": "NA"
                        }
                    ]
                }
            ]
        },
        {
            "UDS3_variable": "REFERSC",
            "UDS4_variable": "REFERSC",
            "crosswalk_remappings": [
                {
                    "mapping_type": "UDS form",
                    "mappings": [
                        {
                            "UDS3_value": "A1",
                            "UDS4_value": "A1",
                            "reversible": "Yes",
                            "note": "NA"
                        }
                    ]
                },
                {
                    "mapping_type": "UDS REDCap question number",
                    "mappings": [
                        {
                            "UDS3_value": "2a",
                            "UDS4_value": "25",
                            "reversible": "Yes",
                            "note": "NA"
                        }
                    ]
                },
                {
                    "mapping_type": "UDS REDCap field label",
                    "mappings": [
                        {
                            "UDS3_value": "2a. Principal referral source:(if answer is 1 or 2, CONTINUE TO QUESTION 2B; otherwise, SKIP TO QUESTION 3.)",
                            "UDS4_value": "25. Principal referral source<br>",
                            "reversible": "Yes",
                            "note": "NA"
                        }
                    ]
                },
                {
                    "mapping_type": "Data type",
                    "mappings": [
                        {
                            "UDS3_value": "Numeric factor",
                            "UDS4_value": "Numeric factor",
                            "reversible": "Yes",
                            "note": "NA"
                        }
                    ]
                },
                {
                    "mapping_type": "Conformity",
                    "mappings": [
                        {
                            "UDS3_value": "1-6, 8-9",
                            "UDS4_value": "1-6, 8-9",
                            "reversible": "NA",
                            "note": "NA"
                        }
                    ]
                },
                {
                    "mapping_type": "Response LEVELS",
                    "mappings": [
                        {
                            "UDS3_value": "1",
                            "UDS4_value": "1",
                            "reversible": "Yes",
                            "note": "NA"
                        }
                    ]
                },
                {
                    "mapping_type": "Response LEVELS",
                    "mappings": [
                        {
                            "UDS3_value": "2",
                            "UDS4_value": "2",
                            "reversible": "Yes",
                            "note": "NA"
                        }
                    ]
                },
                {
                    "mapping_type": "Response LEVELS",
                    "mappings": [
                        {
                            "UDS3_value": "3",
                            "UDS4_value": "3",
                            "reversible": "Yes",
                            "note": "NA"
                        }
                    ]
                },
                {
                    "mapping_type": "Response LEVELS",
                    "mappings": [
                        {
                            "UDS3_value": "4",
                            "UDS4_value": "4",
                            "reversible": "Yes",
                            "note": "NA"
                        }
                    ]
                },
                {
                    "mapping_type": "Response LEVELS",
                    "mappings": [
                        {
                            "UDS3_value": "5",
                            "UDS4_value": "5",
                            "reversible": "Yes",
                            "note": "NA"
                        }
                    ]
                },
                {
                    "mapping_type": "Response LEVELS",
                    "mappings": [
                        {
                            "UDS3_value": "6",
                            "UDS4_value": "6",
                            "reversible": "Yes",
                            "note": "NA"
                        }
                    ]
                },
                {
                    "mapping_type": "Response LEVELS",
                    "mappings": [
                        {
                            "UDS3_value": "8",
                            "UDS4_value": "8",
                            "reversible": "Yes",
                            "note": "NA"
                        }
                    ]
                },
                {
                    "mapping_type": "Response LEVELS",
                    "mappings": [
                        {
                            "UDS3_value": "9",
                            "UDS4_value": "9",
                            "reversible": "Yes",
                            "note": "NA"
                        }
                    ]
                },
                {
                    "mapping_type": "Response LABELS",
                    "mappings": [
                        {
                            "UDS3_value": "1 Self-referral",
                            "UDS4_value": "Self",
                            "reversible": "Yes",
                            "note": "NA"
                        }
                    ]
                },
                {
                    "mapping_type": "Response LABELS",
                    "mappings": [
                        {
                            "UDS3_value": "2 Non-professional contact (spouse/partner, relative, friend, coworker, etc.)",
                            "UDS4_value": "Non-professional personal contact who is not a current or previous ADRC participant <i>(e.g., spouse/partner, relative, friend, coworker)</i>",
                            "reversible": "Yes",
                            "note": "NA"
                        }
                    ]
                },
                {
                    "mapping_type": "Response LABELS",
                    "mappings": [
                        {
                            "UDS3_value": "3 ADC participant referral",
                            "UDS4_value": "Current or previous ADRC participant",
                            "reversible": "Yes",
                            "note": "NA"
                        }
                    ]
                },
                {
                    "mapping_type": "Response LABELS",
                    "mappings": [
                        {
                            "UDS3_value": "4 ADC clinician, staff, or investigator referral",
                            "UDS4_value": "ADRC clinician, staff, or investigator",
                            "reversible": "Yes",
                            "note": "NA"
                        }
                    ]
                },
                {
                    "mapping_type": "Response LABELS",
                    "mappings": [
                        {
                            "UDS3_value": "5 Nurse, doctor, or other health care provider",
                            "UDS4_value": "Non-ADRC healthcare professional <i>(e.g., clinician, nurse, social worker)</i>",
                            "reversible": "Yes",
                            "note": "NA"
                        }
                    ]
                },
                {
                    "mapping_type": "Response LABELS",
                    "mappings": [
                        {
                            "UDS3_value": "6 Other research study clinician/staff/investigator (non-ADC; e.g., ADNI, Women's Health Initiative)",
                            "UDS4_value": "Other research study clinician/staff/investigator <i>(non-ADRC; e.g., ADNI, Women's Health Initiative, LEADS, ALL-FTD)</i>",
                            "reversible": "Yes",
                            "note": "NA"
                        }
                    ]
                },
                {
                    "mapping_type": "Response LABELS",
                    "mappings": [
                        {
                            "UDS3_value": "8 Other",
                            "UDS4_value": "Other",
                            "reversible": "Yes",
                            "note": "NA"
                        }
                    ]
                },
                {
                    "mapping_type": "Response LABELS",
                    "mappings": [
                        {
                            "UDS3_value": "9 Unknown",
                            "UDS4_value": "Unknown",
                            "reversible": "Yes",
                            "note": "NA"
                        }
                    ]
                }
            ]
        },
        {
            "UDS3_variable": "SEX",
            "UDS4_variable": "BIRTHSEX",
            "crosswalk_remappings": [
                {
                    "mapping_type": "UDS form",
                    "mappings": [
                        {
                            "UDS3_value": "A1",
                            "UDS4_value": "A1",
                            "reversible": "Yes",
                            "note": "NA"
                        }
                    ]
                },
                {
                    "mapping_type": "UDS REDCap question number",
                    "mappings": [
                        {
                            "UDS3_value": "7",
                            "UDS4_value": "5",
                            "reversible": "Yes",
                            "note": "NA"
                        }
                    ]
                },
                {
                    "mapping_type": "UDS REDCap field label",
                    "mappings": [
                        {
                            "UDS3_value": "7. Subject's sex:",
                            "UDS4_value": "5. What sex were you assigned at birth, on your original birth certificate?<br>",
                            "reversible": "Yes",
                            "note": "NA"
                        }
                    ]
                },
                {
                    "mapping_type": "Data type",
                    "mappings": [
                        {
                            "UDS3_value": "Numeric factor",
                            "UDS4_value": "Numeric factor",
                            "reversible": "Yes",
                            "note": "NA"
                        }
                    ]
                },
                {
                    "mapping_type": "Conformity",
                    "mappings": [
                        {
                            "UDS3_value": "1-2",
                            "UDS4_value": "1-2, 8-9",
                            "reversible": "NA",
                            "note": "Only response levels 1-2 mappable to UDS3"
                        }
                    ]
                },
                {
                    "mapping_type": "Response LEVELS",
                    "mappings": [
                        {
                            "UDS3_value": "1",
                            "UDS4_value": "1",
                            "reversible": "Yes",
                            "note": "NA"
                        }
                    ]
                },
                {
                    "mapping_type": "Response LEVELS",
                    "mappings": [
                        {
                            "UDS3_value": "2",
                            "UDS4_value": "2",
                            "reversible": "Yes",
                            "note": "NA"
                        }
                    ]
                },
                {
                    "mapping_type": "Response LABELS",
                    "mappings": [
                        {
                            "UDS3_value": "1 Male",
                            "UDS4_value": "Male",
                            "reversible": "Yes",
                            "note": "NA"
                        }
                    ]
                },
                {
                    "mapping_type": "Response LABELS",
                    "mappings": [
                        {
                            "UDS3_value": "2 Female",
                            "UDS4_value": "Female",
                            "reversible": "Yes",
                            "note": "NA"
                        }
                    ]
                }
            ]
        },
        {
            "UDS3_variable": "SOURCENW",
            "UDS4_variable": "SOURCENW",
            "crosswalk_remappings": [
                {
                    "mapping_type": "UDS form",
                    "mappings": [
                        {
                            "UDS3_value": "A1",
                            "UDS4_value": "A1",
                            "reversible": "Yes",
                            "note": "NA"
                        }
                    ]
                },
                {
                    "mapping_type": "UDS REDCap question number",
                    "mappings": [
                        {
                            "UDS3_value": "5",
                            "UDS4_value": "24",
                            "reversible": "Yes",
                            "note": "NA"
                        }
                    ]
                },
                {
                    "mapping_type": "UDS REDCap field label",
                    "mappings": [
                        {
                            "UDS3_value": "5. ADC enrollment type:",
                            "UDS4_value": "24. ADRC enrollment type:<br>",
                            "reversible": "Yes",
                            "note": "NA"
                        }
                    ]
                },
                {
                    "mapping_type": "Data type",
                    "mappings": [
                        {
                            "UDS3_value": "Numeric factor",
                            "UDS4_value": "Numeric factor",
                            "reversible": "Yes",
                            "note": "NA"
                        }
                    ]
                },
                {
                    "mapping_type": "Conformity",
                    "mappings": [
                        {
                            "UDS3_value": "1-2",
                            "UDS4_value": "1-2",
                            "reversible": "NA",
                            "note": "NA"
                        }
                    ]
                },
                {
                    "mapping_type": "Response LEVELS",
                    "mappings": [
                        {
                            "UDS3_value": "1",
                            "UDS4_value": "1",
                            "reversible": "Yes",
                            "note": "NA"
                        }
                    ]
                },
                {
                    "mapping_type": "Response LEVELS",
                    "mappings": [
                        {
                            "UDS3_value": "2",
                            "UDS4_value": "2",
                            "reversible": "Yes",
                            "note": "NA"
                        }
                    ]
                },
                {
                    "mapping_type": "Response LABELS",
                    "mappings": [
                        {
                            "UDS3_value": "1 Primarily ADC-funded (Clinical Core, Satellite Core, or other ADC Core or project)",
                            "UDS4_value": "Participant is supported primarily by ADRC funding <i>(Clinical Core, Satellite Core, or other ADRC Core or project)</i>",
                            "reversible": "Yes",
                            "note": "NA"
                        }
                    ]
                },
                {
                    "mapping_type": "Response LABELS",
                    "mappings": [
                        {
                            "UDS3_value": "2 Subject is supported primarily by a non-ADC study (e.g., RO1, including non-ADC grants supporting the FTLD Module participation)",
                            "UDS4_value": "Participant is supported primarily by a non-ADRC study <i>(e.g., R01, including non-ADRC grants supporting FTLD module participation)</i>",
                            "reversible": "Yes",
                            "note": "NA"
                        }
                    ]
                }
            ]
        },
        {
            "UDS3_variable": "VISITNUM__A1",
            "UDS4_variable": "VISITNUM__A1",
            "crosswalk_remappings": [
                {
                    "mapping_type": "UDS Form",
                    "mappings": [
                        {
                            "UDS3_value": "FORM_HEADER__A1",
                            "UDS4_value": "FORM_HEADER__A1",
                            "reversible": "Yes",
                            "note": "NA"
                        }
                    ]
                },
                {
                    "mapping_type": "UDS REDCap question number",
                    "mappings": [
                        {
                            "UDS3_value": "H7",
                            "UDS4_value": "H3",
                            "reversible": "Yes",
                            "note": "Imputed position numbers"
                        }
                    ]
                },
                {
                    "mapping_type": "UDS REDCap field label",
                    "mappings": [
                        {
                            "UDS3_value": "ADC Visit #__A1",
                            "UDS4_value": "ADC Visit ID__A1",
                            "reversible": "Yes",
                            "note": "NA"
                        }
                    ]
                },
                {
                    "mapping_type": "Data type",
                    "mappings": [
                        {
                            "UDS3_value": "Entry integer",
                            "UDS4_value": "Entry integer",
                            "reversible": "Yes",
                            "note": "NA"
                        }
                    ]
                },
                {
                    "mapping_type": "Conformity",
                    "mappings": [
                        {
                            "UDS3_value": "Non-negative",
                            "UDS4_value": "Non-negative",
                            "reversible": "NA",
                            "note": "NA"
                        }
                    ]
                }
            ]
        },
        {
            "UDS3_variable": "ZIP",
            "UDS4_variable": "ZIP",
            "crosswalk_remappings": [
                {
                    "mapping_type": "UDS form",
                    "mappings": [
                        {
                            "UDS3_value": "A1",
                            "UDS4_value": "A1",
                            "reversible": "Yes",
                            "note": "NA"
                        }
                    ]
                },
                {
                    "mapping_type": "UDS REDCap question number",
                    "mappings": [
                        {
                            "UDS3_value": "18",
                            "UDS4_value": "14",
                            "reversible": "Yes",
                            "note": "NA"
                        }
                    ]
                },
                {
                    "mapping_type": "UDS REDCap field label",
                    "mappings": [
                        {
                            "UDS3_value": "18. ZIP Code (first three digits) of subject's primary residence:",
                            "UDS4_value": "<div class=\"rich-text-field-label\"><p>14. What are the first three digits of the ZIP code of your primary residence?<br /><br /><em>(For example, if your ZIP code is 12345, enter 123)</em></p></div>",
                            "reversible": "Yes",
                            "note": "NA"
                        }
                    ]
                },
                {
                    "mapping_type": "Data type",
                    "mappings": [
                        {
                            "UDS3_value": "Entry integer",
                            "UDS4_value": "Entry integer",
                            "reversible": "Yes",
                            "note": "NA"
                        }
                    ]
                },
                {
                    "mapping_type": "Conformity",
                    "mappings": [
                        {
                            "UDS3_value": "006-999",
                            "UDS4_value": "006-999",
                            "reversible": "NA",
                            "note": "NA"
                        }
                    ]
                }
            ]
        }
    ],
    "Conditional_Consistency": [
        {
            "UDS3_variable": "ADCID__A1",
            "UDS4_variable": "ADCID__A1",
            "crosswalk_mappings": [
                {
                    "mapping_type": "UDS Form",
                    "mappings": [
                        {
                            "UDS3_value": "FORM_HEADER__A1",
                            "UDS4_value": "FORM_HEADER__A1",
                            "reversible": "Yes",
                            "note": "NA"
                        }
                    ]
                },
                {
                    "mapping_type": "UDS REDCap question number",
                    "mappings": [
                        {
                            "UDS3_value": "H3",
                            "UDS4_value": "H2",
                            "reversible": "Yes",
                            "note": "Imputed position numbers"
                        }
                    ]
                },
                {
                    "mapping_type": "UDS REDCap field label",
                    "mappings": [
                        {
                            "UDS3_value": "Center ID__A1",
                            "UDS4_value": "ADC name__A1",
                            "reversible": "Yes",
                            "note": "NA"
                        }
                    ]
                },
                {
                    "mapping_type": "Data type",
                    "mappings": [
                        {
                            "UDS3_value": "Numeric factor",
                            "UDS4_value": "Numeric factor",
                            "reversible": "Yes",
                            "note": "NA"
                        }
                    ]
                },
                {
                    "mapping_type": "Conformity",
                    "mappings": [
                        {
                            "UDS3_value": "2-22, 25-28, 30-43",
                            "UDS4_value": "2, 4, 6-16, 18-19, 21-22, 26-27, 30, 31, 33, 35, 37-43, 46-49, 65, 67- 68",
                            "reversible": "NA",
                            "note": "NA"
                        }
                    ]
                },
                {
                    "mapping_type": "Response LEVELS",
                    "mappings": [
                        {
                            "UDS3_value": "2",
                            "UDS4_value": "2",
                            "reversible": "Yes",
                            "note": "NA"
                        }
                    ]
                },
                {
                    "mapping_type": "Response LEVELS",
                    "mappings": [
                        {
                            "UDS3_value": "4",
                            "UDS4_value": "4",
                            "reversible": "Yes",
                            "note": "NA"
                        }
                    ]
                },
                {
                    "mapping_type": "Response LEVELS",
                    "mappings": [
                        {
                            "UDS3_value": "6",
                            "UDS4_value": "6",
                            "reversible": "Yes",
                            "note": "NA"
                        }
                    ]
                },
                {
                    "mapping_type": "Response LEVELS",
                    "mappings": [
                        {
                            "UDS3_value": "7",
                            "UDS4_value": "7",
                            "reversible": "Yes",
                            "note": "NA"
                        }
                    ]
                },
                {
                    "mapping_type": "Response LEVELS",
                    "mappings": [
                        {
                            "UDS3_value": "8",
                            "UDS4_value": "8",
                            "reversible": "Yes",
                            "note": "NA"
                        }
                    ]
                },
                {
                    "mapping_type": "Response LEVELS",
                    "mappings": [
                        {
                            "UDS3_value": "9",
                            "UDS4_value": "9",
                            "reversible": "Yes",
                            "note": "NA"
                        }
                    ]
                },
                {
                    "mapping_type": "Response LEVELS",
                    "mappings": [
                        {
                            "UDS3_value": "10",
                            "UDS4_value": "10",
                            "reversible": "Yes",
                            "note": "NA"
                        }
                    ]
                },
                {
                    "mapping_type": "Response LEVELS",
                    "mappings": [
                        {
                            "UDS3_value": "11",
                            "UDS4_value": "11",
                            "reversible": "Yes",
                            "note": "NA"
                        }
                    ]
                },
                {
                    "mapping_type": "Response LEVELS",
                    "mappings": [
                        {
                            "UDS3_value": "12",
                            "UDS4_value": "12",
                            "reversible": "Yes",
                            "note": "NA"
                        }
                    ]
                },
                {
                    "mapping_type": "Response LEVELS",
                    "mappings": [
                        {
                            "UDS3_value": "13",
                            "UDS4_value": "13",
                            "reversible": "Yes",
                            "note": "NA"
                        }
                    ]
                },
                {
                    "mapping_type": "Response LEVELS",
                    "mappings": [
                        {
                            "UDS3_value": "14",
                            "UDS4_value": "14",
                            "reversible": "Yes",
                            "note": "NA"
                        }
                    ]
                },
                {
                    "mapping_type": "Response LEVELS",
                    "mappings": [
                        {
                            "UDS3_value": "15",
                            "UDS4_value": "15",
                            "reversible": "Yes",
                            "note": "NA"
                        }
                    ]
                },
                {
                    "mapping_type": "Response LEVELS",
                    "mappings": [
                        {
                            "UDS3_value": "16",
                            "UDS4_value": "16",
                            "reversible": "Yes",
                            "note": "NA"
                        }
                    ]
                },
                {
                    "mapping_type": "Response LEVELS",
                    "mappings": [
                        {
                            "UDS3_value": "18",
                            "UDS4_value": "18",
                            "reversible": "Yes",
                            "note": "NA"
                        }
                    ]
                },
                {
                    "mapping_type": "Response LEVELS",
                    "mappings": [
                        {
                            "UDS3_value": "19",
                            "UDS4_value": "19",
                            "reversible": "Yes",
                            "note": "NA"
                        }
                    ]
                },
                {
                    "mapping_type": "Response LEVELS",
                    "mappings": [
                        {
                            "UDS3_value": "21",
                            "UDS4_value": "21",
                            "reversible": "Yes",
                            "note": "NA"
                        }
                    ]
                },
                {
                    "mapping_type": "Response LEVELS",
                    "mappings": [
                        {
                            "UDS3_value": "22",
                            "UDS4_value": "22",
                            "reversible": "Yes",
                            "note": "NA"
                        }
                    ]
                },
                {
                    "mapping_type": "Response LEVELS",
                    "mappings": [
                        {
                            "UDS3_value": "26",
                            "UDS4_value": "26",
                            "reversible": "Yes",
                            "note": "NA"
                        }
                    ]
                },
                {
                    "mapping_type": "Response LEVELS",
                    "mappings": [
                        {
                            "UDS3_value": "27",
                            "UDS4_value": "27",
                            "reversible": "Yes",
                            "note": "NA"
                        }
                    ]
                },
                {
                    "mapping_type": "Response LEVELS",
                    "mappings": [
                        {
                            "UDS3_value": "30",
                            "UDS4_value": "30",
                            "reversible": "Yes",
                            "note": "NA"
                        }
                    ]
                },
                {
                    "mapping_type": "Response LEVELS",
                    "mappings": [
                        {
                            "UDS3_value": "31",
                            "UDS4_value": "31",
                            "reversible": "Yes",
                            "note": "NA"
                        }
                    ]
                },
                {
                    "mapping_type": "Response LEVELS",
                    "mappings": [
                        {
                            "UDS3_value": "33",
                            "UDS4_value": "33",
                            "reversible": "Yes",
                            "note": "NA"
                        }
                    ]
                },
                {
                    "mapping_type": "Response LEVELS",
                    "mappings": [
                        {
                            "UDS3_value": "35",
                            "UDS4_value": "35",
                            "reversible": "Yes",
                            "note": "NA"
                        }
                    ]
                },
                {
                    "mapping_type": "Response LEVELS",
                    "mappings": [
                        {
                            "UDS3_value": "37",
                            "UDS4_value": "37",
                            "reversible": "Yes",
                            "note": "NA"
                        }
                    ]
                },
                {
                    "mapping_type": "Response LEVELS",
                    "mappings": [
                        {
                            "UDS3_value": "38",
                            "UDS4_value": "38",
                            "reversible": "Yes",
                            "note": "NA"
                        }
                    ]
                },
                {
                    "mapping_type": "Response LEVELS",
                    "mappings": [
                        {
                            "UDS3_value": "39",
                            "UDS4_value": "39",
                            "reversible": "Yes",
                            "note": "NA"
                        }
                    ]
                },
                {
                    "mapping_type": "Response LEVELS",
                    "mappings": [
                        {
                            "UDS3_value": "40",
                            "UDS4_value": "40",
                            "reversible": "Yes",
                            "note": "NA"
                        }
                    ]
                },
                {
                    "mapping_type": "Response LEVELS",
                    "mappings": [
                        {
                            "UDS3_value": "41",
                            "UDS4_value": "41",
                            "reversible": "Yes",
                            "note": "NA"
                        }
                    ]
                },
                {
                    "mapping_type": "Response LEVELS",
                    "mappings": [
                        {
                            "UDS3_value": "42",
                            "UDS4_value": "42",
                            "reversible": "Yes",
                            "note": "NA"
                        }
                    ]
                },
                {
                    "mapping_type": "Response LEVELS",
                    "mappings": [
                        {
                            "UDS3_value": "43",
                            "UDS4_value": "43",
                            "reversible": "Yes",
                            "note": "NA"
                        }
                    ]
                },
                {
                    "mapping_type": "Response LABELS",
                    "mappings": [
                        {
                            "UDS3_value": "Boston University",
                            "UDS4_value": "Boston University ADRC",
                            "reversible": "Yes",
                            "note": "NA"
                        }
                    ]
                },
                {
                    "mapping_type": "Response LABELS",
                    "mappings": [
                        {
                            "UDS3_value": "Columbia University",
                            "UDS4_value": "Columbia University ADRC",
                            "reversible": "Yes",
                            "note": "NA"
                        }
                    ]
                },
                {
                    "mapping_type": "Response LABELS",
                    "mappings": [
                        {
                            "UDS3_value": "Emory University",
                            "UDS4_value": "Emory University",
                            "reversible": "Yes",
                            "note": "NA"
                        }
                    ]
                },
                {
                    "mapping_type": "Response LABELS",
                    "mappings": [
                        {
                            "UDS3_value": "Massachusetts ADRC",
                            "UDS4_value": "Massachusetts ADRC",
                            "reversible": "Yes",
                            "note": "NA"
                        }
                    ]
                },
                {
                    "mapping_type": "Response LABELS",
                    "mappings": [
                        {
                            "UDS3_value": "Indiana University",
                            "UDS4_value": "Indiana University ADRC",
                            "reversible": "Yes",
                            "note": "NA"
                        }
                    ]
                },
                {
                    "mapping_type": "Response LABELS",
                    "mappings": [
                        {
                            "UDS3_value": "Johns Hopkins University",
                            "UDS4_value": "Johns Hopkins ADRC",
                            "reversible": "Yes",
                            "note": "NA"
                        }
                    ]
                },
                {
                    "mapping_type": "Response LABELS",
                    "mappings": [
                        {
                            "UDS3_value": "Mayo Clinic",
                            "UDS4_value": "Mayo Clinic ADRC",
                            "reversible": "Yes",
                            "note": "NA"
                        }
                    ]
                },
                {
                    "mapping_type": "Response LABELS",
                    "mappings": [
                        {
                            "UDS3_value": "Mount Sinai",
                            "UDS4_value": "Mount Sinai School of Medicine ADRC",
                            "reversible": "Yes",
                            "note": "NA"
                        }
                    ]
                },
                {
                    "mapping_type": "Response LABELS",
                    "mappings": [
                        {
                            "UDS3_value": "New York University",
                            "UDS4_value": "NYU ADRC",
                            "reversible": "Yes",
                            "note": "NA"
                        }
                    ]
                },
                {
                    "mapping_type": "Response LABELS",
                    "mappings": [
                        {
                            "UDS3_value": "Northwestern University",
                            "UDS4_value": "Northwestern ADRC",
                            "reversible": "Yes",
                            "note": "NA"
                        }
                    ]
                },
                {
                    "mapping_type": "Response LABELS",
                    "mappings": [
                        {
                            "UDS3_value": "Oregon Health & Science University",
                            "UDS4_value": "Oregon Health and Science University",
                            "reversible": "Yes",
                            "note": "NA"
                        }
                    ]
                },
                {
                    "mapping_type": "Response LABELS",
                    "mappings": [
                        {
                            "UDS3_value": "Rush University",
                            "UDS4_value": "Rush University Alzheimer's Disease Center",
                            "reversible": "Yes",
                            "note": "NA"
                        }
                    ]
                },
                {
                    "mapping_type": "Response LABELS",
                    "mappings": [
                        {
                            "UDS3_value": "University of California",
                            "UDS4_value": "UC Davis ADRC",
                            "reversible": "Yes",
                            "note": "Mapping to UDS4 requires response level (16)"
                        }
                    ]
                },
                {
                    "mapping_type": "Response LABELS",
                    "mappings": [
                        {
                            "UDS3_value": "University of California",
                            "UDS4_value": "UCSD Shiley-Marcos ADRC",
                            "reversible": "Yes",
                            "note": "Mapping to UDS4 requires response level (18)"
                        }
                    ]
                },
                {
                    "mapping_type": "Response LABELS",
                    "mappings": [
                        {
                            "UDS3_value": "University of Kentucky",
                            "UDS4_value": "University of Kentucky ADRC",
                            "reversible": "Yes",
                            "note": "NA"
                        }
                    ]
                },
                {
                    "mapping_type": "Response LABELS",
                    "mappings": [
                        {
                            "UDS3_value": "University of Pennsylvania",
                            "UDS4_value": "Penn ADRC / Penn Memory Center",
                            "reversible": "Yes",
                            "note": "NA"
                        }
                    ]
                },
                {
                    "mapping_type": "Response LABELS",
                    "mappings": [
                        {
                            "UDS3_value": "University of Pittsburgh",
                            "UDS4_value": "University of Pittsburgh ADRC",
                            "reversible": "Yes",
                            "note": "NA"
                        }
                    ]
                },
                {
                    "mapping_type": "Response LABELS",
                    "mappings": [
                        {
                            "UDS3_value": "University of Washington",
                            "UDS4_value": "University of Washington ADRC",
                            "reversible": "Yes",
                            "note": "NA"
                        }
                    ]
                },
                {
                    "mapping_type": "Response LABELS",
                    "mappings": [
                        {
                            "UDS3_value": "Washington University in Saint Louis",
                            "UDS4_value": "Washington University Knight ADRC",
                            "reversible": "Yes",
                            "note": "NA"
                        }
                    ]
                },
                {
                    "mapping_type": "Response LABELS",
                    "mappings": [
                        {
                            "UDS3_value": "University of Southern California",
                            "UDS4_value": "USC ADRC",
                            "reversible": "Yes",
                            "note": "NA"
                        }
                    ]
                },
                {
                    "mapping_type": "Response LABELS",
                    "mappings": [
                        {
                            "UDS3_value": "University of California",
                            "UDS4_value": "UC Irvine",
                            "reversible": "Yes",
                            "note": "Mapping to UDS4 requires response level (31)"
                        }
                    ]
                },
                {
                    "mapping_type": "Response LABELS",
                    "mappings": [
                        {
                            "UDS3_value": "Arizona ADC",
                            "UDS4_value": "Arizona ADRC",
                            "reversible": "Yes",
                            "note": "NA"
                        }
                    ]
                },
                {
                    "mapping_type": "Response LABELS",
                    "mappings": [
                        {
                            "UDS3_value": "University of California",
                            "UDS4_value": "UCSF ADRC",
                            "reversible": "Yes",
                            "note": "Mapping to UDS4 requires response level (35)"
                        }
                    ]
                },
                {
                    "mapping_type": "Response LABELS",
                    "mappings": [
                        {
                            "UDS3_value": "University of Wisconsin",
                            "UDS4_value": "Wisconsin ADRC",
                            "reversible": "Yes",
                            "note": "NA"
                        }
                    ]
                },
                {
                    "mapping_type": "Response LABELS",
                    "mappings": [
                        {
                            "UDS3_value": "University of Kansas",
                            "UDS4_value": "University of Kansas ADRC",
                            "reversible": "Yes",
                            "note": "NA"
                        }
                    ]
                },
                {
                    "mapping_type": "Response LABELS",
                    "mappings": [
                        {
                            "UDS3_value": "Stanford University #2",
                            "UDS4_value": "Stanford ADRC",
                            "reversible": "Yes",
                            "note": "NA"
                        }
                    ]
                },
                {
                    "mapping_type": "Response LABELS",
                    "mappings": [
                        {
                            "UDS3_value": "Yale University",
                            "UDS4_value": "Yale University ADRC",
                            "reversible": "Yes",
                            "note": "NA"
                        }
                    ]
                },
                {
                    "mapping_type": "Response LABELS",
                    "mappings": [
                        {
                            "UDS3_value": "Florida ADRC",
                            "UDS4_value": "1Florida ADRC",
                            "reversible": "Yes",
                            "note": "NA"
                        }
                    ]
                },
                {
                    "mapping_type": "Response LABELS",
                    "mappings": [
                        {
                            "UDS3_value": "Wake Forest University",
                            "UDS4_value": "Wake Forest University",
                            "reversible": "Yes",
                            "note": "NA"
                        }
                    ]
                },
                {
                    "mapping_type": "Response LABELS",
                    "mappings": [
                        {
                            "UDS3_value": "Univeristy of Michigan AD",
                            "UDS4_value": "University of Michigan ADRC",
                            "reversible": "Yes",
                            "note": "NA"
                        }
                    ]
                }
            ]
        },
        {
            "UDS3_variable": "BIRTHYR",
            "UDS4_variable": "BIRTHYR",
            "crosswalk_mappings": [
                {
                    "mapping_type": "UDS form",
                    "mappings": [
                        {
                            "UDS3_value": "A1",
                            "UDS4_value": "A1",
                            "reversible": "Yes",
                            "note": "NA"
                        }
                    ]
                },
                {
                    "mapping_type": "UDS REDCap question number",
                    "mappings": [
                        {
                            "UDS3_value": "6b",
                            "UDS4_value": "1b",
                            "reversible": "Yes",
                            "note": "NA"
                        }
                    ]
                },
                {
                    "mapping_type": "UDS REDCap field label",
                    "mappings": [
                        {
                            "UDS3_value": "6b. Subject's year of birth",
                            "UDS4_value": "1b. Participant's year of birth",
                            "reversible": "Yes",
                            "note": "NA"
                        }
                    ]
                },
                {
                    "mapping_type": "Data type",
                    "mappings": [
                        {
                            "UDS3_value": "Entry integer",
                            "UDS4_value": "Entry integer",
                            "reversible": "Yes",
                            "note": "NA"
                        }
                    ]
                },
                {
                    "mapping_type": "Conformity",
                    "mappings": [
                        {
                            "UDS3_value": "1875 to (current year minus 15)",
                            "UDS4_value": "1850 to (current year minus 15)",
                            "reversible": "NA",
                            "note": "Mappable to UDS3 only if BIRTHYR > = 1875"
                        }
                    ]
                }
            ]
        },
        {
            "UDS3_variable": "FORMVER__A1",
            "UDS4_variable": "FORMVER__A1",
            "crosswalk_mappings": [
                {
                    "mapping_type": "UDS Form",
                    "mappings": [
                        {
                            "UDS3_value": "FORM_HEADER__A1",
                            "UDS4_value": "FORM_HEADER__A1",
                            "reversible": "Yes",
                            "note": "NA"
                        }
                    ]
                },
                {
                    "mapping_type": "UDS REDCap question number",
                    "mappings": [
                        {
                            "UDS3_value": "H2",
                            "UDS4_value": "H5",
                            "reversible": "Yes",
                            "note": "Imputed position numbers"
                        }
                    ]
                },
                {
                    "mapping_type": "UDS REDCap field label",
                    "mappings": [
                        {
                            "UDS3_value": "Form Version Number__A1",
                            "UDS4_value": "Form version number__A1",
                            "reversible": "Yes",
                            "note": "NA"
                        }
                    ]
                },
                {
                    "mapping_type": "Data type",
                    "mappings": [
                        {
                            "UDS3_value": "Numeric factor",
                            "UDS4_value": "Numeric factor",
                            "reversible": "Yes",
                            "note": "NA"
                        }
                    ]
                },
                {
                    "mapping_type": "Conformity",
                    "mappings": [
                        {
                            "UDS3_value": "3, 3.1",
                            "UDS4_value": "3-4",
                            "reversible": "NA",
                            "note": "NA"
                        }
                    ]
                },
                {
                    "mapping_type": "Response LEVELS",
                    "mappings": [
                        {
                            "UDS3_value": "3",
                            "UDS4_value": "3",
                            "reversible": "Yes",
                            "note": "NA"
                        }
                    ]
                },
                {
                    "mapping_type": "Response LABELS",
                    "mappings": [
                        {
                            "UDS3_value": "3",
                            "UDS4_value": "3",
                            "reversible": "Yes",
                            "note": "NA"
                        }
                    ]
                }
            ]
        },
        {
            "UDS3_variable": "HISPANIC",
            "UDS4_variable": "ETHISPANIC",
            "crosswalk_mappings": [
                {
                    "mapping_type": "UDS form",
                    "mappings": [
                        {
                            "UDS3_value": "A1",
                            "UDS4_value": "A1",
                            "reversible": "Yes",
                            "note": "NA"
                        }
                    ]
                },
                {
                    "mapping_type": "UDS REDCap question number",
                    "mappings": [
                        {
                            "UDS3_value": "8",
                            "UDS4_value": "3d",
                            "reversible": "Yes",
                            "note": "NA"
                        }
                    ]
                },
                {
                    "mapping_type": "UDS REDCap field label",
                    "mappings": [
                        {
                            "UDS3_value": "8. Does the subject report being of Hispanic/Latino <u>ethnicity</u> (i.e. having origins from a mainly Spanish-speaking Latin American country), regardless of race?",
                            "UDS4_value": "3d. Race - Hispanic or Latino",
                            "reversible": "Yes",
                            "note": "NA"
                        }
                    ]
                },
                {
                    "mapping_type": "Data type",
                    "mappings": [
                        {
                            "UDS3_value": "Numeric factor",
                            "UDS4_value": "Numeric factor",
                            "reversible": "Yes",
                            "note": "NA"
                        }
                    ]
                },
                {
                    "mapping_type": "Conformity",
                    "mappings": [
                        {
                            "UDS3_value": "0-1, 9",
                            "UDS4_value": "1 or blank",
                            "reversible": "NA",
                            "note": "NA"
                        }
                    ]
                },
                {
                    "mapping_type": "Response LEVELS",
                    "mappings": [
                        {
                            "UDS3_value": 1,
                            "UDS4_value": "1",
                            "reversible": "Yes",
                            "note": "NA"
                        }
                    ]
                },
                {
                    "mapping_type": "Response LEVELS",
                    "mappings": [
                        {
                            "UDS3_value": "0 | 9",
                            "UDS4_value": null,
                            "reversible": "Yes",
                            "note": "UDS4 value of NA should map to UDS3 value of '0'"
                        }
                    ]
                },
                {
                    "mapping_type": "Response LABELS",
                    "mappings": [
                        {
                            "UDS3_value": "1 Yes",
                            "UDS4_value": "Hispanic or Latino",
                            "reversible": "Yes",
                            "note": "NA"
                        }
                    ]
                },
                {
                    "mapping_type": "Response LABELS",
                    "mappings": [
                        {
                            "UDS3_value": "0 No (If No, SKIP TO QUESTION 9) | 9 Unknown (If Unknown, SKIP TO QUESTION 9)",
                            "UDS4_value": "",
                            "reversible": "Yes",
                            "note": "UDS4 value of <BLANK> should map to UDS3 value of '0 No (If No, SKIP TO QUESTION 9)'"
                        }
                    ]
                }
            ]
        },
        {
            "UDS3_variable": "HISPOR",
            "UDS4_variable": "ETHCUBAN",
            "crosswalk_mappings": [
                {
                    "mapping_type": "UDS form",
                    "mappings": [
                        {
                            "UDS3_value": "A1",
                            "UDS4_value": "A1",
                            "reversible": "Yes",
                            "note": "NA"
                        }
                    ]
                },
                {
                    "mapping_type": "UDS REDCap question number",
                    "mappings": [
                        {
                            "UDS3_value": "8a",
                            "UDS4_value": "3d4",
                            "reversible": "Yes",
                            "note": "NA"
                        }
                    ]
                },
                {
                    "mapping_type": "UDS REDCap field label",
                    "mappings": [
                        {
                            "UDS3_value": "8a. If yes, what are the subject's reported origins?",
                            "UDS4_value": "3d4. Race - Hispanic or Latino - Cuban",
                            "reversible": "Yes",
                            "note": "NA"
                        }
                    ]
                },
                {
                    "mapping_type": "Data type",
                    "mappings": [
                        {
                            "UDS3_value": "Numeric factor",
                            "UDS4_value": "Numeric factor",
                            "reversible": "Yes",
                            "note": "NA"
                        }
                    ]
                },
                {
                    "mapping_type": "Conformity",
                    "mappings": [
                        {
                            "UDS3_value": "1-6, 50, 99",
                            "UDS4_value": "1 or blank",
                            "reversible": "NA",
                            "note": "NA"
                        }
                    ]
                },
                {
                    "mapping_type": "Response LEVELS",
                    "mappings": [
                        {
                            "UDS3_value": "3",
                            "UDS4_value": "1",
                            "reversible": "Yes",
                            "note": "NA"
                        }
                    ]
                },
                {
                    "mapping_type": "Response LEVELS",
                    "mappings": [
                        {
                            "UDS3_value": "1 | 2 | 4 | 5 | 50 | 99",
                            "UDS4_value": null,
                            "reversible": "Yes",
                            "note": "NA"
                        }
                    ]
                },
                {
                    "mapping_type": "Response LABELS",
                    "mappings": [
                        {
                            "UDS3_value": "3 Cuban",
                            "UDS4_value": "Cuban",
                            "reversible": "Yes",
                            "note": "NA"
                        }
                    ]
                },
                {
                    "mapping_type": "Response LABELS",
                    "mappings": [
                        {
                            "UDS3_value": "1 Mexican, Chicano, or Mexican-American | 2 Puerto Rican | 4 Dominican | 5 Central American | 6 South American | 50 Other, (specify) | 99 Unknown",
                            "UDS4_value": "",
                            "reversible": "Yes",
                            "note": "NA"
                        }
                    ]
                }
            ]
        },
        {
            "UDS3_variable": "HISPOR",
            "UDS4_variable": "ETHDOMIN",
            "crosswalk_mappings": [
                {
                    "mapping_type": "UDS form",
                    "mappings": [
                        {
                            "UDS3_value": "A1",
                            "UDS4_value": "A1",
                            "reversible": "Yes",
                            "note": "NA"
                        }
                    ]
                },
                {
                    "mapping_type": "UDS REDCap question number",
                    "mappings": [
                        {
                            "UDS3_value": "8a",
                            "UDS4_value": "3d5",
                            "reversible": "Yes",
                            "note": "NA"
                        }
                    ]
                },
                {
                    "mapping_type": "UDS REDCap field label",
                    "mappings": [
                        {
                            "UDS3_value": "8a. If yes, what are the subject's reported origins?",
                            "UDS4_value": "3d5. Race - Hispanic or Latino - Dominican",
                            "reversible": "Yes",
                            "note": "NA"
                        }
                    ]
                },
                {
                    "mapping_type": "Data type",
                    "mappings": [
                        {
                            "UDS3_value": "Numeric factor",
                            "UDS4_value": "Numeric factor",
                            "reversible": "Yes",
                            "note": "NA"
                        }
                    ]
                },
                {
                    "mapping_type": "Conformity",
                    "mappings": [
                        {
                            "UDS3_value": "1-6, 50, 99",
                            "UDS4_value": "1 or blank",
                            "reversible": "NA",
                            "note": "NA"
                        }
                    ]
                },
                {
                    "mapping_type": "Response LEVELS",
                    "mappings": [
                        {
                            "UDS3_value": "4",
                            "UDS4_value": "1",
                            "reversible": "Yes",
                            "note": "NA"
                        }
                    ]
                },
                {
                    "mapping_type": "Response LEVELS",
                    "mappings": [
                        {
                            "UDS3_value": "1 | 2 | 3 | 5 | 50 | 99",
                            "UDS4_value": null,
                            "reversible": "Yes",
                            "note": "NA"
                        }
                    ]
                },
                {
                    "mapping_type": "Response LABELS",
                    "mappings": [
                        {
                            "UDS3_value": "4 Dominican",
                            "UDS4_value": "Dominican",
                            "reversible": "Yes",
                            "note": "NA"
                        }
                    ]
                },
                {
                    "mapping_type": "Response LABELS",
                    "mappings": [
                        {
                            "UDS3_value": "1 Mexican, Chicano, or Mexican-American | 2 Puerto Rican | 3 Cuban | 5 Central American | 6 South American | 50 Other, (specify) | 99 Unknown",
                            "UDS4_value": "",
                            "reversible": "Yes",
                            "note": "NA"
                        }
                    ]
                }
            ]
        },
        {
            "UDS3_variable": "HISPOR",
            "UDS4_variable": "ETHHISOTH",
            "crosswalk_mappings": [
                {
                    "mapping_type": "UDS form",
                    "mappings": [
                        {
                            "UDS3_value": "A1",
                            "UDS4_value": "A1",
                            "reversible": "Yes",
                            "note": "NA"
                        }
                    ]
                },
                {
                    "mapping_type": "UDS REDCap question number",
                    "mappings": [
                        {
                            "UDS3_value": "8a",
                            "UDS4_value": "3d7",
                            "reversible": "Yes",
                            "note": "NA"
                        }
                    ]
                },
                {
                    "mapping_type": "UDS REDCap field label",
                    "mappings": [
                        {
                            "UDS3_value": "8a. If yes, what are the subject's reported origins?",
                            "UDS4_value": "3d7. Race - Hispanic or Latino - Other",
                            "reversible": "Yes",
                            "note": "NA"
                        }
                    ]
                },
                {
                    "mapping_type": "Data type",
                    "mappings": [
                        {
                            "UDS3_value": "Numeric factor",
                            "UDS4_value": "Numeric factor",
                            "reversible": "Yes",
                            "note": "NA"
                        }
                    ]
                },
                {
                    "mapping_type": "Conformity",
                    "mappings": [
                        {
                            "UDS3_value": "1-6, 50, 99",
                            "UDS4_value": "1 or blank",
                            "reversible": "NA",
                            "note": "NA"
                        }
                    ]
                },
                {
                    "mapping_type": "Response LEVELS",
                    "mappings": [
                        {
                            "UDS3_value": "5 | 6 | 50",
                            "UDS4_value": "1",
                            "reversible": "Yes",
                            "note": "UDS4 value of '1' should map to UDS3 value of '50'"
                        }
                    ]
                },
                {
                    "mapping_type": "Response LEVELS",
                    "mappings": [
                        {
                            "UDS3_value": "1 | 2 | 3 | 4 | 99",
                            "UDS4_value": null,
                            "reversible": "Yes",
                            "note": "NA"
                        }
                    ]
                },
                {
                    "mapping_type": "Response LABELS",
                    "mappings": [
                        {
                            "UDS3_value": "5 Central American | 6 South American | 50 Other, (specify)",
                            "UDS4_value": "Hispanic or Latino__Other",
                            "reversible": "Yes",
                            "note": "UDS4 value of 'Hispanic or Latino__Other' should map to UDS3 value of '50 Other, (specify)'"
                        }
                    ]
                },
                {
                    "mapping_type": "Response LABELS",
                    "mappings": [
                        {
                            "UDS3_value": "1 Mexican, Chicano, or Mexican-American | 2 Puerto Rican | 3 Cuban | 4 Dominican | 99 Unknown",
                            "UDS4_value": "",
                            "reversible": "Yes",
                            "note": "1 White | 2 Black or African American | 3 American Indian or Alaska Native | 4 Native Hawaiian or other Pacific Islander | 5 Asian | 50 Other (specify) | 99 Unknown"
                        }
                    ]
                }
            ]
        },
        {
            "UDS3_variable": "HISPOR",
            "UDS4_variable": "ETHMEXICAN",
            "crosswalk_mappings": [
                {
                    "mapping_type": "UDS form",
                    "mappings": [
                        {
                            "UDS3_value": "A1",
                            "UDS4_value": "A1",
                            "reversible": "Yes",
                            "note": "NA"
                        }
                    ]
                },
                {
                    "mapping_type": "UDS REDCap question number",
                    "mappings": [
                        {
                            "UDS3_value": "8a",
                            "UDS4_value": "3d1",
                            "reversible": "Yes",
                            "note": "NA"
                        }
                    ]
                },
                {
                    "mapping_type": "UDS REDCap field label",
                    "mappings": [
                        {
                            "UDS3_value": "8a. If yes, what are the subject's reported origins?",
                            "UDS4_value": "3d1. Race - Hispanic or Latino - Mexican",
                            "reversible": "Yes",
                            "note": "NA"
                        }
                    ]
                },
                {
                    "mapping_type": "Data type",
                    "mappings": [
                        {
                            "UDS3_value": "Numeric factor",
                            "UDS4_value": "Numeric factor",
                            "reversible": "Yes",
                            "note": "NA"
                        }
                    ]
                },
                {
                    "mapping_type": "Conformity",
                    "mappings": [
                        {
                            "UDS3_value": "1-6, 50, 99",
                            "UDS4_value": "1 or blank",
                            "reversible": "NA",
                            "note": "NA"
                        }
                    ]
                },
                {
                    "mapping_type": "Response LEVELS",
                    "mappings": [
                        {
                            "UDS3_value": "1",
                            "UDS4_value": "1",
                            "reversible": "Yes",
                            "note": "NA"
                        }
                    ]
                },
                {
                    "mapping_type": "Response LEVELS",
                    "mappings": [
                        {
                            "UDS3_value": "2 | 3 | 4 | 5 | 50 | 99",
                            "UDS4_value": null,
                            "reversible": "Yes",
                            "note": "NA"
                        }
                    ]
                },
                {
                    "mapping_type": "Response LABELS",
                    "mappings": [
                        {
                            "UDS3_value": "1 Mexican, Chicano, or Mexican-American",
                            "UDS4_value": "Mexican",
                            "reversible": "Yes",
                            "note": "NA"
                        }
                    ]
                },
                {
                    "mapping_type": "Response LABELS",
                    "mappings": [
                        {
                            "UDS3_value": "2 Puerto Rican | 3 Cuban | 4 Dominican | 5 Central American | 6 South American | 50 Other, (specify) | 99 Unknown",
                            "UDS4_value": "",
                            "reversible": "Yes",
                            "note": "NA"
                        }
                    ]
                }
            ]
        },
        {
            "UDS3_variable": "HISPOR",
            "UDS4_variable": "ETHPUERTO",
            "crosswalk_mappings": [
                {
                    "mapping_type": "UDS form",
                    "mappings": [
                        {
                            "UDS3_value": "A1",
                            "UDS4_value": "A1",
                            "reversible": "Yes",
                            "note": "NA"
                        }
                    ]
                },
                {
                    "mapping_type": "UDS REDCap question number",
                    "mappings": [
                        {
                            "UDS3_value": "8a",
                            "UDS4_value": "3d2",
                            "reversible": "Yes",
                            "note": "NA"
                        }
                    ]
                },
                {
                    "mapping_type": "UDS REDCap field label",
                    "mappings": [
                        {
                            "UDS3_value": "8a. If yes, what are the subject's reported origins?",
                            "UDS4_value": "3d2. Race - Hispanic or Latino - Puerto Rican",
                            "reversible": "Yes",
                            "note": "NA"
                        }
                    ]
                },
                {
                    "mapping_type": "Data type",
                    "mappings": [
                        {
                            "UDS3_value": "Numeric factor",
                            "UDS4_value": "Numeric factor",
                            "reversible": "Yes",
                            "note": "NA"
                        }
                    ]
                },
                {
                    "mapping_type": "Conformity",
                    "mappings": [
                        {
                            "UDS3_value": "1-6, 50, 99",
                            "UDS4_value": "1 or blank",
                            "reversible": "NA",
                            "note": "NA"
                        }
                    ]
                },
                {
                    "mapping_type": "Response LEVELS",
                    "mappings": [
                        {
                            "UDS3_value": "1",
                            "UDS4_value": "1",
                            "reversible": "Yes",
                            "note": "NA"
                        }
                    ]
                },
                {
                    "mapping_type": "Response LEVELS",
                    "mappings": [
                        {
                            "UDS3_value": "1 | 3 | 4 | 5 | 50 | 99",
                            "UDS4_value": null,
                            "reversible": "Yes",
                            "note": "NA"
                        }
                    ]
                },
                {
                    "mapping_type": "Response LABELS",
                    "mappings": [
                        {
                            "UDS3_value": "2 Puerto Rican",
                            "UDS4_value": "Puerto Rican",
                            "reversible": "Yes",
                            "note": "NA"
                        }
                    ]
                },
                {
                    "mapping_type": "Response LABELS",
                    "mappings": [
                        {
                            "UDS3_value": "1 Mexican, Chicano, or Mexican-American | 3 Cuban | 4 Dominican | 5 Central American | 6 South American | 50 Other, (specify) | 99 Unknown",
                            "UDS4_value": "",
                            "reversible": "Yes",
                            "note": "NA"
                        }
                    ]
                }
            ]
        },
        {
            "UDS3_variable": "HISPORX",
            "UDS4_variable": "ETHGUATEM",
            "crosswalk_mappings": [
                {
                    "mapping_type": "UDS form",
                    "mappings": [
                        {
                            "UDS3_value": "A1",
                            "UDS4_value": "A1",
                            "reversible": "Yes",
                            "note": "NA"
                        }
                    ]
                },
                {
                    "mapping_type": "UDS REDCap question number",
                    "mappings": [
                        {
                            "UDS3_value": "8a1",
                            "UDS4_value": "3d6",
                            "reversible": "Yes",
                            "note": "NA"
                        }
                    ]
                },
                {
                    "mapping_type": "UDS REDCap field label",
                    "mappings": [
                        {
                            "UDS3_value": "8a1. Other (specify subjects reported origins):",
                            "UDS4_value": "3d6. Race - Hispanic or Latino - Guatemalan",
                            "reversible": "Yes",
                            "note": "NA"
                        }
                    ]
                },
                {
                    "mapping_type": "Data type",
                    "mappings": [
                        {
                            "UDS3_value": "Character",
                            "UDS4_value": "Numeric factor",
                            "reversible": "Yes",
                            "note": "NA"
                        }
                    ]
                },
                {
                    "mapping_type": "Conformity",
                    "mappings": [
                        {
                            "UDS3_value": "Any text or numbers with the exception of single quotes (‘), double quotes (“), ampersands (&), and percentage signs (%).",
                            "UDS4_value": "1 or blank",
                            "reversible": "NA",
                            "note": "NA"
                        }
                    ]
                },
                {
                    "mapping_type": "Response LEVELS",
                    "mappings": [
                        {
                            "UDS3_value": "grep(\"guatemalan\", HISPORX)",
                            "UDS4_value": "1",
                            "reversible": "Yes",
                            "note": "Mapping to UDS4 ETHGUATEM requires text variant matching to \"GUATEMALAN\" in UDS3 HISPORX"
                        }
                    ]
                },
                {
                    "mapping_type": "Response LABELS",
                    "mappings": [
                        {
                            "UDS3_value": "grep(\"guatemalan\", HISPORX)",
                            "UDS4_value": "Guatemalan",
                            "reversible": "Yes",
                            "note": "Mapping to UDS4 ETHGUATEM requires text variant matching to \"GUATEMALAN\" in UDS3 HISPORX"
                        }
                    ]
                }
            ]
        },
        {
            "UDS3_variable": "HISPORX",
            "UDS4_variable": "ETHSALVA",
            "crosswalk_mappings": [
                {
                    "mapping_type": "UDS form",
                    "mappings": [
                        {
                            "UDS3_value": "A1",
                            "UDS4_value": "A1",
                            "reversible": "Yes",
                            "note": "NA"
                        }
                    ]
                },
                {
                    "mapping_type": "UDS REDCap question number",
                    "mappings": [
                        {
                            "UDS3_value": "8a1",
                            "UDS4_value": "3d3",
                            "reversible": "Yes",
                            "note": "NA"
                        }
                    ]
                },
                {
                    "mapping_type": "UDS REDCap field label",
                    "mappings": [
                        {
                            "UDS3_value": "8a1. Other (specify subjects reported origins):",
                            "UDS4_value": "3d3. Race - Hispanic or Latino - Salvadoran",
                            "reversible": "Yes",
                            "note": "NA"
                        }
                    ]
                },
                {
                    "mapping_type": "Data type",
                    "mappings": [
                        {
                            "UDS3_value": "Character",
                            "UDS4_value": "Numeric factor",
                            "reversible": "Yes",
                            "note": "NA"
                        }
                    ]
                },
                {
                    "mapping_type": "Conformity",
                    "mappings": [
                        {
                            "UDS3_value": "Any text or numbers with the exception of single quotes (‘), double quotes (“), ampersands (&), and percentage signs (%).",
                            "UDS4_value": "1 or blank",
                            "reversible": "NA",
                            "note": "NA"
                        }
                    ]
                },
                {
                    "mapping_type": "Response LEVELS",
                    "mappings": [
                        {
                            "UDS3_value": "grep(\"salvadoran\", HISPORX)",
                            "UDS4_value": "1",
                            "reversible": "Yes",
                            "note": "Mapping to UDS4 ETHSALVA requires text variant matching to \"SALVADORAN\" in UDS3 HISPORX"
                        }
                    ]
                },
                {
                    "mapping_type": "Response LABELS",
                    "mappings": [
                        {
                            "UDS3_value": "grep(\"salvadoran\", HISPORX)",
                            "UDS4_value": "Salvadoran",
                            "reversible": "Yes",
                            "note": "Mapping to UDS4 ETHSALVA requires text variant matching to \"SALVADORAN\" in UDS3 HISPORX"
                        }
                    ]
                }
            ]
        },
        {
            "UDS3_variable": "INITIALS__A1",
            "UDS4_variable": "INITIALSA1",
            "crosswalk_mappings": [
                {
                    "mapping_type": "UDS Form",
                    "mappings": [
                        {
                            "UDS3_value": "FORM_HEADER__A1",
                            "UDS4_value": "A1",
                            "reversible": "Yes",
                            "note": "NA"
                        }
                    ]
                },
                {
                    "mapping_type": "UDS REDCap question number",
                    "mappings": [
                        {
                            "UDS3_value": "H8",
                            "UDS4_value": "0b",
                            "reversible": "Yes",
                            "note": "Imputed position numbers UDS3"
                        }
                    ]
                },
                {
                    "mapping_type": "UDS REDCap field label",
                    "mappings": [
                        {
                            "UDS3_value": "Examiner's initials (xxx)__A1",
                            "UDS4_value": "0b. A1 Participant Demographics - Examiner's initials",
                            "reversible": "Yes",
                            "note": "NA"
                        }
                    ]
                },
                {
                    "mapping_type": "Data type",
                    "mappings": [
                        {
                            "UDS3_value": "Character",
                            "UDS4_value": "Character",
                            "reversible": "Yes",
                            "note": "NA"
                        }
                    ]
                },
                {
                    "mapping_type": "Conformity",
                    "mappings": [
                        {
                            "UDS3_value": "Any text or numbers with the exception of single quotes (‘), double quotes (“), ampersands (&), and percentage signs (%)",
                            "UDS4_value": "Any text or numbers with the exception of single quotes (‘), double quotes (“), ampersands (&), and percentage signs (%)",
                            "reversible": "NA",
                            "note": "NA"
                        }
                    ]
                }
            ]
        },
        {
            "UDS3_variable": "LANGA1",
            "UDS4_variable": "LANGA1",
            "crosswalk_mappings": [
                {
                    "mapping_type": "UDS Form",
                    "mappings": [
                        {
                            "UDS3_value": "Z1X",
                            "UDS4_value": "A1",
                            "reversible": "Yes",
                            "note": "NA"
                        }
                    ]
                },
                {
                    "mapping_type": "UDS REDCap question number",
                    "mappings": [
                        {
                            "UDS3_value": "1a",
                            "UDS4_value": "0c",
                            "reversible": "Yes",
                            "note": "NA"
                        }
                    ]
                },
                {
                    "mapping_type": "UDS REDCap field label",
                    "mappings": [
                        {
                            "UDS3_value": "1a. Language used for A1 Subject Demographics",
                            "UDS4_value": "0c. A1 Participant Demographics - Language",
                            "reversible": "Yes",
                            "note": "Stylistic change noted in UDS3"
                        }
                    ]
                },
                {
                    "mapping_type": "Data type",
                    "mappings": [
                        {
                            "UDS3_value": "Numeric factor",
                            "UDS4_value": "Numeric factor",
                            "reversible": "Yes",
                            "note": "NA"
                        }
                    ]
                },
                {
                    "mapping_type": "Conformity",
                    "mappings": [
                        {
                            "UDS3_value": "1-2",
                            "UDS4_value": "1-2",
                            "reversible": "NA",
                            "note": "NA"
                        }
                    ]
                },
                {
                    "mapping_type": "Response LEVELS",
                    "mappings": [
                        {
                            "UDS3_value": "1",
                            "UDS4_value": "1",
                            "reversible": "Yes",
                            "note": "NA"
                        }
                    ]
                },
                {
                    "mapping_type": "Response LEVELS",
                    "mappings": [
                        {
                            "UDS3_value": "2",
                            "UDS4_value": "2",
                            "reversible": "Yes",
                            "note": "NA"
                        }
                    ]
                },
                {
                    "mapping_type": "Response LABELS",
                    "mappings": [
                        {
                            "UDS3_value": "1 English",
                            "UDS4_value": "English",
                            "reversible": "Yes",
                            "note": "NA"
                        }
                    ]
                },
                {
                    "mapping_type": "Response LABELS",
                    "mappings": [
                        {
                            "UDS3_value": "2 Spanish",
                            "UDS4_value": "Spanish",
                            "reversible": "Yes",
                            "note": "NA"
                        }
                    ]
                }
            ]
        },
        {
            "UDS3_variable": "PRIMLANG",
            "UDS4_variable": "PREDOMLAN",
            "crosswalk_mappings": [
                {
                    "mapping_type": "UDS form",
                    "mappings": [
                        {
                            "UDS3_value": "A1",
                            "UDS4_value": "A1",
                            "reversible": "Yes",
                            "note": "NA"
                        }
                    ]
                },
                {
                    "mapping_type": "UDS REDCap question number",
                    "mappings": [
                        {
                            "UDS3_value": "12",
                            "UDS4_value": "8",
                            "reversible": "Yes",
                            "note": "NA"
                        }
                    ]
                },
                {
                    "mapping_type": "UDS REDCap field label",
                    "mappings": [
                        {
                            "UDS3_value": "12. Subject's primary language:",
                            "UDS4_value": "<div class=\"rich-text-field-label\"><p>8. What is your primary language?<br /><br /><em>(Primary language is defined as the predominant language you have used throughout your life. Please take into consideration first language learned and used as well as the length of use.)</em></p></div>",
                            "reversible": "Yes",
                            "note": "NA"
                        }
                    ]
                },
                {
                    "mapping_type": "Data type",
                    "mappings": [
                        {
                            "UDS3_value": "Numeric factor",
                            "UDS4_value": "Numeric factor",
                            "reversible": "Yes",
                            "note": "NA"
                        }
                    ]
                },
                {
                    "mapping_type": "Conformity",
                    "mappings": [
                        {
                            "UDS3_value": "1-6, 8-9",
                            "UDS4_value": "1-3, 8-9",
                            "reversible": "NA",
                            "note": "NA"
                        }
                    ]
                },
                {
                    "mapping_type": "Response LEVELS",
                    "mappings": [
                        {
                            "UDS3_value": "1",
                            "UDS4_value": "1",
                            "reversible": "Yes",
                            "note": "NA"
                        }
                    ]
                },
                {
                    "mapping_type": "Response LEVELS",
                    "mappings": [
                        {
                            "UDS3_value": "2",
                            "UDS4_value": "2",
                            "reversible": "Yes",
                            "note": "NA"
                        }
                    ]
                },
                {
                    "mapping_type": "Response LEVELS",
                    "mappings": [
                        {
                            "UDS3_value": "3 | 4",
                            "UDS4_value": "3",
                            "reversible": "Yes",
                            "note": "NA"
                        }
                    ]
                },
                {
                    "mapping_type": "Response LEVELS",
                    "mappings": [
                        {
                            "UDS3_value": "5 | 6 | 8",
                            "UDS4_value": "8",
                            "reversible": "Conditional",
                            "note": "Mappable to UDS3 based on text variant in PRIMLANGX"
                        }
                    ]
                },
                {
                    "mapping_type": "Response LEVELS",
                    "mappings": [
                        {
                            "UDS3_value": "9",
                            "UDS4_value": "9",
                            "reversible": "Yes",
                            "note": "NA"
                        }
                    ]
                },
                {
                    "mapping_type": "Response LABELS",
                    "mappings": [
                        {
                            "UDS3_value": "1 English",
                            "UDS4_value": "English",
                            "reversible": "Yes",
                            "note": "NA"
                        }
                    ]
                },
                {
                    "mapping_type": "Response LABELS",
                    "mappings": [
                        {
                            "UDS3_value": "2 Spanish",
                            "UDS4_value": "Spanish",
                            "reversible": "Yes",
                            "note": "NA"
                        }
                    ]
                },
                {
                    "mapping_type": "Response LABELS",
                    "mappings": [
                        {
                            "UDS3_value": "3 Mandarin | 4 Cantonese",
                            "UDS4_value": "Chinese dialect",
                            "reversible": "Yes",
                            "note": "NA"
                        }
                    ]
                },
                {
                    "mapping_type": "Response LABELS",
                    "mappings": [
                        {
                            "UDS3_value": "5 Russian | 6 Japanese | 8 Other primary language (specify)",
                            "UDS4_value": "Other",
                            "reversible": "Conditional",
                            "note": "Mappable to UDS3 based on text variant in PRIMLANGX"
                        }
                    ]
                },
                {
                    "mapping_type": "Response LABELS",
                    "mappings": [
                        {
                            "UDS3_value": "9 Unknown",
                            "UDS4_value": "Don't know",
                            "reversible": "Yes",
                            "note": "NA"
                        }
                    ]
                }
            ]
        },
        {
            "UDS3_variable": "RACE",
            "UDS4_variable": "RACEAIAN",
            "crosswalk_mappings": [
                {
                    "mapping_type": "UDS form",
                    "mappings": [
                        {
                            "UDS3_value": "A1",
                            "UDS4_value": "A1",
                            "reversible": "Conditional",
                            "note": "Mappable to UDS3 RACE when only RACEAIAN selected"
                        }
                    ]
                },
                {
                    "mapping_type": "UDS REDCap question number",
                    "mappings": [
                        {
                            "UDS3_value": "9",
                            "UDS4_value": "3a",
                            "reversible": "Conditional",
                            "note": "Mappable to UDS3 RACE when only RACEAIAN selected"
                        }
                    ]
                },
                {
                    "mapping_type": "UDS REDCap field label",
                    "mappings": [
                        {
                            "UDS3_value": "9. What does subject report as his or her race?",
                            "UDS4_value": "3a. Race - American Indian or Alaska Native",
                            "reversible": "Conditional",
                            "note": "Mappable to UDS3 RACE when only RACEAIAN selected"
                        }
                    ]
                },
                {
                    "mapping_type": "Data type",
                    "mappings": [
                        {
                            "UDS3_value": "Numeric factor",
                            "UDS4_value": "Numeric factor",
                            "reversible": "Conditional",
                            "note": "Mappable to UDS3 RACE when only RACEAIAN selected"
                        }
                    ]
                },
                {
                    "mapping_type": "Conformity",
                    "mappings": [
                        {
                            "UDS3_value": "1-5, 50, 99",
                            "UDS4_value": "1 or blank",
                            "reversible": "NA",
                            "note": "Mappable to UDS3 RACE when only RACEAIAN selected"
                        }
                    ]
                },
                {
                    "mapping_type": "Response LEVELS",
                    "mappings": [
                        {
                            "UDS3_value": "3",
                            "UDS4_value": "1",
                            "reversible": "Conditional",
                            "note": "Mappable to UDS3 RACE when only RACEAIAN selected"
                        }
                    ]
                },
                {
                    "mapping_type": "Response LEVELS",
                    "mappings": [
                        {
                            "UDS3_value": "1 | 2 | 4 | 5 | 50 | 99",
                            "UDS4_value": null,
                            "reversible": "No",
                            "note": "NA"
                        }
                    ]
                },
                {
                    "mapping_type": "Response LABELS",
                    "mappings": [
                        {
                            "UDS3_value": "3 American Indian or Alaska Native",
                            "UDS4_value": "American Indian or Alaska Native",
                            "reversible": "Conditional",
                            "note": "Mappable to UDS3 RACE when only RACEAIAN selected"
                        }
                    ]
                },
                {
                    "mapping_type": "Response LABELS",
                    "mappings": [
                        {
                            "UDS3_value": "1 White | 2 Black or African American | 4 Native Hawaiian or other Pacific Islander | 5 Asian | 50 Other (specify) | 99 Unknown",
                            "UDS4_value": "",
                            "reversible": "No",
                            "note": "NA"
                        }
                    ]
                }
            ]
        },
        {
            "UDS3_variable": "RACE",
            "UDS4_variable": "RACEASIAN",
            "crosswalk_mappings": [
                {
                    "mapping_type": "UDS form",
                    "mappings": [
                        {
                            "UDS3_value": "A1",
                            "UDS4_value": "A1",
                            "reversible": "Conditional",
                            "note": "Mappable to UDS3 RACE when only RACEASIAN selected"
                        }
                    ]
                },
                {
                    "mapping_type": "UDS REDCap question number",
                    "mappings": [
                        {
                            "UDS3_value": "9",
                            "UDS4_value": "3b",
                            "reversible": "Conditional",
                            "note": "Mappable to UDS3 RACE when only RACEASIAN selected"
                        }
                    ]
                },
                {
                    "mapping_type": "UDS REDCap field label",
                    "mappings": [
                        {
                            "UDS3_value": "9. What does subject report as his or her race?",
                            "UDS4_value": "3b. Race - Asian",
                            "reversible": "Conditional",
                            "note": "Mappable to UDS3 RACE when only RACEASIAN selected"
                        }
                    ]
                },
                {
                    "mapping_type": "Data type",
                    "mappings": [
                        {
                            "UDS3_value": "Numeric factor",
                            "UDS4_value": "Numeric factor",
                            "reversible": "Conditional",
                            "note": "Mappable to UDS3 RACE when only RACEASIAN selected"
                        }
                    ]
                },
                {
                    "mapping_type": "Conformity",
                    "mappings": [
                        {
                            "UDS3_value": "1-5, 50, 99",
                            "UDS4_value": "1 or blank",
                            "reversible": "NA",
                            "note": "Mappable to UDS3 RACE when only RACEASIAN selected"
                        }
                    ]
                },
                {
                    "mapping_type": "Response LEVELS",
                    "mappings": [
                        {
                            "UDS3_value": "5",
                            "UDS4_value": "1",
                            "reversible": "Conditional",
                            "note": "Mappable to UDS3 RACE when only RACEASIAN selected"
                        }
                    ]
                },
                {
                    "mapping_type": "Response LEVELS",
                    "mappings": [
                        {
                            "UDS3_value": "1 | 2 | 3 | 4 | 50 | 99",
                            "UDS4_value": null,
                            "reversible": "No",
                            "note": "NA"
                        }
                    ]
                },
                {
                    "mapping_type": "Response LABELS",
                    "mappings": [
                        {
                            "UDS3_value": "5 Asian",
                            "UDS4_value": "Asian",
                            "reversible": "Conditional",
                            "note": "Mappable to UDS3 RACE when only RACEASIAN selected"
                        }
                    ]
                },
                {
                    "mapping_type": "Response LABELS",
                    "mappings": [
                        {
                            "UDS3_value": "1 White | 2 Black or African American | 3 American Indian or Alaska Native | 4 Native Hawaiian or other Pacific Islander | 50 Other (specify) | 99 Unknown",
                            "UDS4_value": "",
                            "reversible": "No",
                            "note": "NA"
                        }
                    ]
                }
            ]
        },
        {
            "UDS3_variable": "RACE",
            "UDS4_variable": "RACEBLACK",
            "crosswalk_mappings": [
                {
                    "mapping_type": "UDS form",
                    "mappings": [
                        {
                            "UDS3_value": "A1",
                            "UDS4_value": "A1",
                            "reversible": "Conditional",
                            "note": "Mappable to UDS3 RACE when only RACEBLACK selected"
                        }
                    ]
                },
                {
                    "mapping_type": "UDS REDCap question number",
                    "mappings": [
                        {
                            "UDS3_value": "9",
                            "UDS4_value": "3c",
                            "reversible": "Conditional",
                            "note": "Mappable to UDS3 RACE when only RACEBLACK selected"
                        }
                    ]
                },
                {
                    "mapping_type": "UDS REDCap field label",
                    "mappings": [
                        {
                            "UDS3_value": "9. What does subject report as his or her race?",
                            "UDS4_value": "3c. Race - Black or African American",
                            "reversible": "Conditional",
                            "note": "Mappable to UDS3 RACE when only RACEBLACK selected"
                        }
                    ]
                },
                {
                    "mapping_type": "Data type",
                    "mappings": [
                        {
                            "UDS3_value": "Numeric factor",
                            "UDS4_value": "Numeric factor",
                            "reversible": "Conditional",
                            "note": "Mappable to UDS3 RACE when only RACEBLACK selected"
                        }
                    ]
                },
                {
                    "mapping_type": "Conformity",
                    "mappings": [
                        {
                            "UDS3_value": "1-5, 50, 99",
                            "UDS4_value": "1 or blank",
                            "reversible": "NA",
                            "note": "Mappable to UDS3 RACE when only RACEBLACK selected"
                        }
                    ]
                },
                {
                    "mapping_type": "Response LEVELS",
                    "mappings": [
                        {
                            "UDS3_value": "2",
                            "UDS4_value": "1",
                            "reversible": "Conditional",
                            "note": "Mappable to UDS3 RACE when only RACEBLACK selected"
                        }
                    ]
                },
                {
                    "mapping_type": "Response LEVELS",
                    "mappings": [
                        {
                            "UDS3_value": "1 | 3 | 4 | 5 | 50 | 99",
                            "UDS4_value": null,
                            "reversible": "No",
                            "note": "NA"
                        }
                    ]
                },
                {
                    "mapping_type": "Response LABELS",
                    "mappings": [
                        {
                            "UDS3_value": "2 Black or African American",
                            "UDS4_value": "Black or African American",
                            "reversible": "Conditional",
                            "note": "Mappable to UDS3 RACE when only RACEBLACK selected"
                        }
                    ]
                },
                {
                    "mapping_type": "Response LABELS",
                    "mappings": [
                        {
                            "UDS3_value": "1 White | 3 American Indian or Alaska Native | 4 Native Hawaiian or other Pacific Islander | 5 Asian | 50 Other (specify) | 99 Unknown",
                            "UDS4_value": "",
                            "reversible": "No",
                            "note": "NA"
                        }
                    ]
                }
            ]
        },
        {
            "UDS3_variable": "RACE",
            "UDS4_variable": "RACENHPI",
            "crosswalk_mappings": [
                {
                    "mapping_type": "UDS form",
                    "mappings": [
                        {
                            "UDS3_value": "A1",
                            "UDS4_value": "A1",
                            "reversible": "Conditional",
                            "note": "Mappable to UDS3 RACE when only RACENHPI selected"
                        }
                    ]
                },
                {
                    "mapping_type": "UDS REDCap question number",
                    "mappings": [
                        {
                            "UDS3_value": "9",
                            "UDS4_value": "3f",
                            "reversible": "Conditional",
                            "note": "Mappable to UDS3 RACE when only RACENHPI selected"
                        }
                    ]
                },
                {
                    "mapping_type": "UDS REDCap field label",
                    "mappings": [
                        {
                            "UDS3_value": "9. What does subject report as his or her race?",
                            "UDS4_value": "3f. Race - Native Hawaiian or Pacific Islander",
                            "reversible": "Conditional",
                            "note": "Mappable to UDS3 RACE when only RACENHPI selected"
                        }
                    ]
                },
                {
                    "mapping_type": "Data type",
                    "mappings": [
                        {
                            "UDS3_value": "Numeric factor",
                            "UDS4_value": "Numeric factor",
                            "reversible": "Conditional",
                            "note": "Mappable to UDS3 RACE when only RACENHPI selected"
                        }
                    ]
                },
                {
                    "mapping_type": "Conformity",
                    "mappings": [
                        {
                            "UDS3_value": "1-5, 50, 99",
                            "UDS4_value": "1 or blank",
                            "reversible": "NA",
                            "note": "Mappable to UDS3 RACE when only RACENHPI selected"
                        }
                    ]
                },
                {
                    "mapping_type": "Response LEVELS",
                    "mappings": [
                        {
                            "UDS3_value": "4",
                            "UDS4_value": "1",
                            "reversible": "Conditional",
                            "note": "Mappable to UDS3 RACE when only RACENHPI selected"
                        }
                    ]
                },
                {
                    "mapping_type": "Response LEVELS",
                    "mappings": [
                        {
                            "UDS3_value": "1 | 2 | 3 | 5 | 50 | 99",
                            "UDS4_value": null,
                            "reversible": "No",
                            "note": "NA"
                        }
                    ]
                },
                {
                    "mapping_type": "Response LABELS",
                    "mappings": [
                        {
                            "UDS3_value": "4 Native Hawaiian or other Pacific Islander",
                            "UDS4_value": "Native Hawaiian or Pacific Islander",
                            "reversible": "Conditional",
                            "note": "Mappable to UDS3 RACE when only RACENHPI selected"
                        }
                    ]
                },
                {
                    "mapping_type": "Response LABELS",
                    "mappings": [
                        {
                            "UDS3_value": "1 White | 2 Black or African American | 3 American Indian or Alaska Native | 5 Asian | 50 Other (specify) | 99 Unknown",
                            "UDS4_value": "",
                            "reversible": "No",
                            "note": "NA"
                        }
                    ]
                }
            ]
        },
        {
            "UDS3_variable": "RACE",
            "UDS4_variable": "RACEUNKN",
            "crosswalk_mappings": [
                {
                    "mapping_type": "UDS form",
                    "mappings": [
                        {
                            "UDS3_value": "A1",
                            "UDS4_value": "A1",
                            "reversible": "Conditional",
                            "note": "Mappable to UDS3 RACE when only RACEUNKN selected"
                        }
                    ]
                },
                {
                    "mapping_type": "UDS REDCap question number",
                    "mappings": [
                        {
                            "UDS3_value": "9",
                            "UDS4_value": "3h",
                            "reversible": "Conditional",
                            "note": "Mappable to UDS3 RACE when only RACEUNKN selected"
                        }
                    ]
                },
                {
                    "mapping_type": "UDS REDCap field label",
                    "mappings": [
                        {
                            "UDS3_value": "9. What does subject report as his or her race?",
                            "UDS4_value": "3h. Race - Don't know<br>",
                            "reversible": "Conditional",
                            "note": "Mappable to UDS3 RACE when only RACEUNKN selected"
                        }
                    ]
                },
                {
                    "mapping_type": "Data type",
                    "mappings": [
                        {
                            "UDS3_value": "Numeric factor",
                            "UDS4_value": "Numeric factor",
                            "reversible": "Conditional",
                            "note": "Mappable to UDS3 RACE when only RACEUNKN selected"
                        }
                    ]
                },
                {
                    "mapping_type": "Conformity",
                    "mappings": [
                        {
                            "UDS3_value": "1-5, 50, 99",
                            "UDS4_value": "1 or blank",
                            "reversible": "NA",
                            "note": "Mappable to UDS3 RACE when only RACEUNKN selected"
                        }
                    ]
                },
                {
                    "mapping_type": "Response LEVELS",
                    "mappings": [
                        {
                            "UDS3_value": "99",
                            "UDS4_value": "1",
                            "reversible": "Conditional",
                            "note": "Mappable to UDS3 RACE when only RACEUNKN selected"
                        }
                    ]
                },
                {
                    "mapping_type": "Response LEVELS",
                    "mappings": [
                        {
                            "UDS3_value": "1 | 2 | 3 | 4 | 5 | 50",
                            "UDS4_value": null,
                            "reversible": "No",
                            "note": "NA"
                        }
                    ]
                },
                {
                    "mapping_type": "Response LABELS",
                    "mappings": [
                        {
                            "UDS3_value": "99 Unknown",
                            "UDS4_value": "Race__Don't know",
                            "reversible": "Conditional",
                            "note": "Mappable to UDS3 RACE when only RACEUNKN selected"
                        }
                    ]
                },
                {
                    "mapping_type": "Response LABELS",
                    "mappings": [
                        {
                            "UDS3_value": "1 White | 2 Black or African American | 3 American Indian or Alaska Native | 4 Native Hawaiian or other Pacific Islander | 5 Asian | 50 Other (specify)",
                            "UDS4_value": "",
                            "reversible": "No",
                            "note": "NA"
                        }
                    ]
                }
            ]
        },
        {
            "UDS3_variable": "RACE",
            "UDS4_variable": "RACEWHITE",
            "crosswalk_mappings": [
                {
                    "mapping_type": "UDS form",
                    "mappings": [
                        {
                            "UDS3_value": "A1",
                            "UDS4_value": "A1",
                            "reversible": "Conditional",
                            "note": "Mappable to UDS3 RACE when only RACEWHITE selected"
                        }
                    ]
                },
                {
                    "mapping_type": "UDS REDCap question number",
                    "mappings": [
                        {
                            "UDS3_value": "9",
                            "UDS4_value": "3g",
                            "reversible": "Conditional",
                            "note": "Mappable to UDS3 RACE when only RACEWHITE selected"
                        }
                    ]
                },
                {
                    "mapping_type": "UDS REDCap field label",
                    "mappings": [
                        {
                            "UDS3_value": "9. What does subject report as his or her race?",
                            "UDS4_value": "3g. Race - White",
                            "reversible": "Conditional",
                            "note": "Mappable to UDS3 RACE when only RACEWHITE selected"
                        }
                    ]
                },
                {
                    "mapping_type": "Data type",
                    "mappings": [
                        {
                            "UDS3_value": "Numeric factor",
                            "UDS4_value": "Numeric factor",
                            "reversible": "Conditional",
                            "note": "Mappable to UDS3 RACE when only RACEWHITE selected"
                        }
                    ]
                },
                {
                    "mapping_type": "Conformity",
                    "mappings": [
                        {
                            "UDS3_value": "1-5, 50, 99",
                            "UDS4_value": "1 or blank",
                            "reversible": "NA",
                            "note": "Mappable to UDS3 RACE when only RACEWHITE selected"
                        }
                    ]
                },
                {
                    "mapping_type": "Response LEVELS",
                    "mappings": [
                        {
                            "UDS3_value": "1",
                            "UDS4_value": "1",
                            "reversible": "Conditional",
                            "note": "Mappable to UDS3 RACE when only RACEWHITE selected"
                        }
                    ]
                },
                {
                    "mapping_type": "Response LEVELS",
                    "mappings": [
                        {
                            "UDS3_value": "2 | 3 | 4 | 5 | 50 | 99",
                            "UDS4_value": null,
                            "reversible": "No",
                            "note": "NA"
                        }
                    ]
                },
                {
                    "mapping_type": "Response LABELS",
                    "mappings": [
                        {
                            "UDS3_value": "1 White",
                            "UDS4_value": "White",
                            "reversible": "Conditional",
                            "note": "Mappable to UDS3 RACE when only RACEWHITE selected"
                        }
                    ]
                },
                {
                    "mapping_type": "Response LABELS",
                    "mappings": [
                        {
                            "UDS3_value": "2 Black or African American | 3 American Indian or Alaska Native | 4 Native Hawaiian or other Pacific Islander | 5 Asian | 50 Other (specify) | 99 Unknown",
                            "UDS4_value": "",
                            "reversible": "No",
                            "note": "NA"
                        }
                    ]
                }
            ]
        },
        {
            "UDS3_variable": "RACESEC",
            "UDS4_variable": "RACEAIAN",
            "crosswalk_mappings": [
                {
                    "mapping_type": "UDS form",
                    "mappings": [
                        {
                            "UDS3_value": "A1",
                            "UDS4_value": "A1",
                            "reversible": "No",
                            "note": "NA"
                        }
                    ]
                },
                {
                    "mapping_type": "UDS REDCap question number",
                    "mappings": [
                        {
                            "UDS3_value": "10",
                            "UDS4_value": "3a",
                            "reversible": "No",
                            "note": "NA"
                        }
                    ]
                },
                {
                    "mapping_type": "UDS REDCap field label",
                    "mappings": [
                        {
                            "UDS3_value": "10. What additional race does subject report?",
                            "UDS4_value": "3a. Race - American Indian or Alaska Native",
                            "reversible": "No",
                            "note": "NA"
                        }
                    ]
                },
                {
                    "mapping_type": "Data type",
                    "mappings": [
                        {
                            "UDS3_value": "Numeric factor",
                            "UDS4_value": "Numeric factor",
                            "reversible": "No",
                            "note": "NA"
                        }
                    ]
                },
                {
                    "mapping_type": "Conformity",
                    "mappings": [
                        {
                            "UDS3_value": "1-5, 50, 88, 99",
                            "UDS4_value": "1 or blank",
                            "reversible": "NA",
                            "note": "NA"
                        }
                    ]
                },
                {
                    "mapping_type": "Response LEVELS",
                    "mappings": [
                        {
                            "UDS3_value": "3",
                            "UDS4_value": "1",
                            "reversible": "No",
                            "note": "NA"
                        }
                    ]
                },
                {
                    "mapping_type": "Response LEVELS",
                    "mappings": [
                        {
                            "UDS3_value": "1 | 2 | 4 | 5 | 50 | 88 | 99",
                            "UDS4_value": null,
                            "reversible": "No",
                            "note": "NA"
                        }
                    ]
                },
                {
                    "mapping_type": "Response LABELS",
                    "mappings": [
                        {
                            "UDS3_value": "3 American Indian or Alaska Native",
                            "UDS4_value": "American Indian or Alaska Native",
                            "reversible": "No",
                            "note": "NA"
                        }
                    ]
                },
                {
                    "mapping_type": "Response LABELS",
                    "mappings": [
                        {
                            "UDS3_value": "1 White | 2 Black or African American | 4 Native Hawaiian or other Pacific Islander | 5 Asian | 50 Other (specify) | 88 None Reported | 99 Unknown",
                            "UDS4_value": "",
                            "reversible": "No",
                            "note": "NA"
                        }
                    ]
                }
            ]
        },
        {
            "UDS3_variable": "RACESEC",
            "UDS4_variable": "RACEASIAN",
            "crosswalk_mappings": [
                {
                    "mapping_type": "UDS form",
                    "mappings": [
                        {
                            "UDS3_value": "A1",
                            "UDS4_value": "A1",
                            "reversible": "No",
                            "note": "NA"
                        }
                    ]
                },
                {
                    "mapping_type": "UDS REDCap question number",
                    "mappings": [
                        {
                            "UDS3_value": "10",
                            "UDS4_value": "3b",
                            "reversible": "No",
                            "note": "NA"
                        }
                    ]
                },
                {
                    "mapping_type": "UDS REDCap field label",
                    "mappings": [
                        {
                            "UDS3_value": "10. What additional race does subject report?",
                            "UDS4_value": "3b. Race - Asian",
                            "reversible": "No",
                            "note": "NA"
                        }
                    ]
                },
                {
                    "mapping_type": "Data type",
                    "mappings": [
                        {
                            "UDS3_value": "Numeric factor",
                            "UDS4_value": "Numeric factor",
                            "reversible": "No",
                            "note": "NA"
                        }
                    ]
                },
                {
                    "mapping_type": "Conformity",
                    "mappings": [
                        {
                            "UDS3_value": "1-5, 50, 88, 99",
                            "UDS4_value": "1 or blank",
                            "reversible": "NA",
                            "note": "NA"
                        }
                    ]
                },
                {
                    "mapping_type": "Response LEVELS",
                    "mappings": [
                        {
                            "UDS3_value": "5",
                            "UDS4_value": "1",
                            "reversible": "No",
                            "note": "NA"
                        }
                    ]
                },
                {
                    "mapping_type": "Response LEVELS",
                    "mappings": [
                        {
                            "UDS3_value": "1 | 2 | 3 | 4 | 50 | 88 | 99",
                            "UDS4_value": null,
                            "reversible": "No",
                            "note": "NA"
                        }
                    ]
                },
                {
                    "mapping_type": "Response LABELS",
                    "mappings": [
                        {
                            "UDS3_value": "5 Asian",
                            "UDS4_value": "Asian",
                            "reversible": "No",
                            "note": "NA"
                        }
                    ]
                },
                {
                    "mapping_type": "Response LABELS",
                    "mappings": [
                        {
                            "UDS3_value": "1 White | 2 Black or African American | 3 American Indian or Alaska Native | 4 Native Hawaiian or other Pacific Islander | 50 Other (specify) | 88 None Reported | 99 Unknown",
                            "UDS4_value": "",
                            "reversible": "No",
                            "note": "NA"
                        }
                    ]
                }
            ]
        },
        {
            "UDS3_variable": "RACESEC",
            "UDS4_variable": "RACEBLACK",
            "crosswalk_mappings": [
                {
                    "mapping_type": "UDS form",
                    "mappings": [
                        {
                            "UDS3_value": "A1",
                            "UDS4_value": "A1",
                            "reversible": "No",
                            "note": "NA"
                        }
                    ]
                },
                {
                    "mapping_type": "UDS REDCap question number",
                    "mappings": [
                        {
                            "UDS3_value": "10",
                            "UDS4_value": "3c",
                            "reversible": "No",
                            "note": "NA"
                        }
                    ]
                },
                {
                    "mapping_type": "UDS REDCap field label",
                    "mappings": [
                        {
                            "UDS3_value": "10. What additional race does subject report?",
                            "UDS4_value": "3c. Race - Black or African American",
                            "reversible": "No",
                            "note": "NA"
                        }
                    ]
                },
                {
                    "mapping_type": "Data type",
                    "mappings": [
                        {
                            "UDS3_value": "Numeric factor",
                            "UDS4_value": "Numeric factor",
                            "reversible": "No",
                            "note": "NA"
                        }
                    ]
                },
                {
                    "mapping_type": "Conformity",
                    "mappings": [
                        {
                            "UDS3_value": "1-5, 50, 88, 99",
                            "UDS4_value": "1 or blank",
                            "reversible": "NA",
                            "note": "NA"
                        }
                    ]
                },
                {
                    "mapping_type": "Response LEVELS",
                    "mappings": [
                        {
                            "UDS3_value": "2",
                            "UDS4_value": "1",
                            "reversible": "No",
                            "note": "NA"
                        }
                    ]
                },
                {
                    "mapping_type": "Response LEVELS",
                    "mappings": [
                        {
                            "UDS3_value": "1 | 3 | 4 | 5 | 50 | 88 | 99",
                            "UDS4_value": null,
                            "reversible": "No",
                            "note": "NA"
                        }
                    ]
                },
                {
                    "mapping_type": "Response LABELS",
                    "mappings": [
                        {
                            "UDS3_value": "2 Black or African American",
                            "UDS4_value": "Black or African American",
                            "reversible": "No",
                            "note": "NA"
                        }
                    ]
                },
                {
                    "mapping_type": "Response LABELS",
                    "mappings": [
                        {
                            "UDS3_value": "1 White | 2 Black or African American | 3 American Indian or Alaska Native | 4 Native Hawaiian or other Pacific Islander | 50 Other (specify) | 88 None Reported | 99 Unknown",
                            "UDS4_value": "",
                            "reversible": "No",
                            "note": "NA"
                        }
                    ]
                }
            ]
        },
        {
            "UDS3_variable": "RACESEC",
            "UDS4_variable": "RACENHPI",
            "crosswalk_mappings": [
                {
                    "mapping_type": "UDS form",
                    "mappings": [
                        {
                            "UDS3_value": "A1",
                            "UDS4_value": "A1",
                            "reversible": "No",
                            "note": "NA"
                        }
                    ]
                },
                {
                    "mapping_type": "UDS REDCap question number",
                    "mappings": [
                        {
                            "UDS3_value": "10",
                            "UDS4_value": "3f",
                            "reversible": "No",
                            "note": "NA"
                        }
                    ]
                },
                {
                    "mapping_type": "UDS REDCap field label",
                    "mappings": [
                        {
                            "UDS3_value": "10. What additional race does subject report?",
                            "UDS4_value": "3f. Race - Native Hawaiian or Pacific Islander",
                            "reversible": "No",
                            "note": "NA"
                        }
                    ]
                },
                {
                    "mapping_type": "Data type",
                    "mappings": [
                        {
                            "UDS3_value": "Numeric factor",
                            "UDS4_value": "Numeric factor",
                            "reversible": "No",
                            "note": "NA"
                        }
                    ]
                },
                {
                    "mapping_type": "Conformity",
                    "mappings": [
                        {
                            "UDS3_value": "1-5, 50, 88, 99",
                            "UDS4_value": "1 or blank",
                            "reversible": "NA",
                            "note": "NA"
                        }
                    ]
                },
                {
                    "mapping_type": "Response LEVELS",
                    "mappings": [
                        {
                            "UDS3_value": "4",
                            "UDS4_value": "1",
                            "reversible": "No",
                            "note": "NA"
                        }
                    ]
                },
                {
                    "mapping_type": "Response LEVELS",
                    "mappings": [
                        {
                            "UDS3_value": "1 | 2 | 3 | 5 | 50 | 88 | 99",
                            "UDS4_value": null,
                            "reversible": "No",
                            "note": "NA"
                        }
                    ]
                },
                {
                    "mapping_type": "Response LABELS",
                    "mappings": [
                        {
                            "UDS3_value": "4 Native Hawaiian or other Pacific Islander",
                            "UDS4_value": "Native Hawaiian or Pacific Islander",
                            "reversible": "No",
                            "note": "NA"
                        }
                    ]
                },
                {
                    "mapping_type": "Response LABELS",
                    "mappings": [
                        {
                            "UDS3_value": "1 White | 2 Black or African American | 3 American Indian or Alaska Native | 5 Asian | 50 Other (specify) | 88 None Reported | 99 Unknown",
                            "UDS4_value": "",
                            "reversible": "No",
                            "note": "NA"
                        }
                    ]
                }
            ]
        },
        {
            "UDS3_variable": "RACESEC",
            "UDS4_variable": "RACEUNKN",
            "crosswalk_mappings": [
                {
                    "mapping_type": "UDS form",
                    "mappings": [
                        {
                            "UDS3_value": "A1",
                            "UDS4_value": "A1",
                            "reversible": "No",
                            "note": "NA"
                        }
                    ]
                },
                {
                    "mapping_type": "UDS REDCap question number",
                    "mappings": [
                        {
                            "UDS3_value": "10",
                            "UDS4_value": "3h",
                            "reversible": "No",
                            "note": "NA"
                        }
                    ]
                },
                {
                    "mapping_type": "UDS REDCap field label",
                    "mappings": [
                        {
                            "UDS3_value": "10. What additional race does subject report?",
                            "UDS4_value": "3h. Race - Don't know<br>",
                            "reversible": "No",
                            "note": "NA"
                        }
                    ]
                },
                {
                    "mapping_type": "Data type",
                    "mappings": [
                        {
                            "UDS3_value": "Numeric factor",
                            "UDS4_value": "Numeric factor",
                            "reversible": "No",
                            "note": "NA"
                        }
                    ]
                },
                {
                    "mapping_type": "Conformity",
                    "mappings": [
                        {
                            "UDS3_value": "1-5, 50, 88, 99",
                            "UDS4_value": "1 or blank",
                            "reversible": "NA",
                            "note": "NA"
                        }
                    ]
                },
                {
                    "mapping_type": "Response LEVELS",
                    "mappings": [
                        {
                            "UDS3_value": "99",
                            "UDS4_value": "1",
                            "reversible": "No",
                            "note": "NA"
                        }
                    ]
                },
                {
                    "mapping_type": "Response LEVELS",
                    "mappings": [
                        {
                            "UDS3_value": "1 | 2 | 3 | 4 | 5 | 50 | 88",
                            "UDS4_value": null,
                            "reversible": "No",
                            "note": "NA"
                        }
                    ]
                },
                {
                    "mapping_type": "Response LABELS",
                    "mappings": [
                        {
                            "UDS3_value": "99 Unknown",
                            "UDS4_value": "Race__Don't know",
                            "reversible": "No",
                            "note": "NA"
                        }
                    ]
                },
                {
                    "mapping_type": "Response LABELS",
                    "mappings": [
                        {
                            "UDS3_value": "1 White | 2 Black or African American | 3 American Indian or Alaska Native | 4 Native Hawaiian or other Pacific Islander | 5 Asian | 50 Other (specify) | 88 None Reported",
                            "UDS4_value": "",
                            "reversible": "No",
                            "note": "NA"
                        }
                    ]
                }
            ]
        },
        {
            "UDS3_variable": "RACESEC",
            "UDS4_variable": "RACEWHITE",
            "crosswalk_mappings": [
                {
                    "mapping_type": "UDS form",
                    "mappings": [
                        {
                            "UDS3_value": "A1",
                            "UDS4_value": "A1",
                            "reversible": "No",
                            "note": "NA"
                        }
                    ]
                },
                {
                    "mapping_type": "UDS REDCap question number",
                    "mappings": [
                        {
                            "UDS3_value": "10",
                            "UDS4_value": "3g",
                            "reversible": "No",
                            "note": "NA"
                        }
                    ]
                },
                {
                    "mapping_type": "UDS REDCap field label",
                    "mappings": [
                        {
                            "UDS3_value": "10. What additional race does subject report?",
                            "UDS4_value": "3g. Race - White",
                            "reversible": "No",
                            "note": "NA"
                        }
                    ]
                },
                {
                    "mapping_type": "Data type",
                    "mappings": [
                        {
                            "UDS3_value": "Numeric factor",
                            "UDS4_value": "Numeric factor",
                            "reversible": "No",
                            "note": "NA"
                        }
                    ]
                },
                {
                    "mapping_type": "Conformity",
                    "mappings": [
                        {
                            "UDS3_value": "1-5, 50, 88, 99",
                            "UDS4_value": "1 or blank",
                            "reversible": "NA",
                            "note": "NA"
                        }
                    ]
                },
                {
                    "mapping_type": "Response LEVELS",
                    "mappings": [
                        {
                            "UDS3_value": "1",
                            "UDS4_value": "1",
                            "reversible": "No",
                            "note": "NA"
                        }
                    ]
                },
                {
                    "mapping_type": "Response LEVELS",
                    "mappings": [
                        {
                            "UDS3_value": "2 | 3 | 4 | 5 | 50 | 88 | 99",
                            "UDS4_value": null,
                            "reversible": "No",
                            "note": "NA"
                        }
                    ]
                },
                {
                    "mapping_type": "Response LABELS",
                    "mappings": [
                        {
                            "UDS3_value": "1 White",
                            "UDS4_value": "White",
                            "reversible": "No",
                            "note": "NA"
                        }
                    ]
                },
                {
                    "mapping_type": "Response LABELS",
                    "mappings": [
                        {
                            "UDS3_value": "2 Black or African American | 3 American Indian or Alaska Native | 4 Native Hawaiian or other Pacific Islander | 5 Asian | 50 Other (specify) | 88 None Reported | 99 Unknown",
                            "UDS4_value": "",
                            "reversible": "No",
                            "note": "NA"
                        }
                    ]
                }
            ]
        },
        {
            "UDS3_variable": "RACESECX",
            "UDS4_variable": "RACEMENA",
            "crosswalk_mappings": [
                {
                    "mapping_type": "UDS form",
                    "mappings": [
                        {
                            "UDS3_value": "A1",
                            "UDS4_value": "A1",
                            "reversible": "No",
                            "note": "NA"
                        }
                    ]
                },
                {
                    "mapping_type": "UDS REDCap question number",
                    "mappings": [
                        {
                            "UDS3_value": "10a",
                            "UDS4_value": "3e",
                            "reversible": "No",
                            "note": "NA"
                        }
                    ]
                },
                {
                    "mapping_type": "UDS REDCap field label",
                    "mappings": [
                        {
                            "UDS3_value": "10a. Other (specify subject's additional race):",
                            "UDS4_value": "3e. Race - Middle Eastern or North African",
                            "reversible": "No",
                            "note": "NA"
                        }
                    ]
                },
                {
                    "mapping_type": "Data type",
                    "mappings": [
                        {
                            "UDS3_value": "Character",
                            "UDS4_value": "Numeric factor",
                            "reversible": "No",
                            "note": "NA"
                        }
                    ]
                },
                {
                    "mapping_type": "Conformity",
                    "mappings": [
                        {
                            "UDS3_value": "Any text or numbers with the exception of single quotes (‘), double quotes (“), ampersands (&), and percentage signs (%).",
                            "UDS4_value": "1 or blank",
                            "reversible": "NA",
                            "note": "NA"
                        }
                    ]
                },
                {
                    "mapping_type": "Response LEVELS",
                    "mappings": [
                        {
                            "UDS3_value": "grep(\"middle eastern or north african\", RACESECX)",
                            "UDS4_value": "1",
                            "reversible": "No",
                            "note": "Mapping to UDS4 RACEMENA requires text variant matching to \"MIDDLE EASTERN OR NORTH AFRICAN\" in UDS3 RACESECX"
                        }
                    ]
                },
                {
                    "mapping_type": "Response LABELS",
                    "mappings": [
                        {
                            "UDS3_value": "grep(\"middle eastern or north african\", RACESECX)",
                            "UDS4_value": "Middle Eastern or North African",
                            "reversible": "No",
                            "note": "Mapping to UDS4 RACEMENA requires text variant matching to \"MIDDLE EASTERN OR NORTH AFRICAN\" in UDS3 RACESECX"
                        }
                    ]
                }
            ]
        },
        {
            "UDS3_variable": "RACETER",
            "UDS4_variable": "RACEAIAN",
            "crosswalk_mappings": [
                {
                    "mapping_type": "UDS form",
                    "mappings": [
                        {
                            "UDS3_value": "A1",
                            "UDS4_value": "A1",
                            "reversible": "No",
                            "note": "NA"
                        }
                    ]
                },
                {
                    "mapping_type": "UDS REDCap question number",
                    "mappings": [
                        {
                            "UDS3_value": "11",
                            "UDS4_value": "3a",
                            "reversible": "No",
                            "note": "NA"
                        }
                    ]
                },
                {
                    "mapping_type": "UDS REDCap field label",
                    "mappings": [
                        {
                            "UDS3_value": "11. What additional race, beyond what was indicated above in questions 9 and 10, does subject report?",
                            "UDS4_value": "3a. Race - American Indian or Alaska Native",
                            "reversible": "No",
                            "note": "NA"
                        }
                    ]
                },
                {
                    "mapping_type": "Data type",
                    "mappings": [
                        {
                            "UDS3_value": "Numeric factor",
                            "UDS4_value": "Numeric factor",
                            "reversible": "No",
                            "note": "NA"
                        }
                    ]
                },
                {
                    "mapping_type": "Conformity",
                    "mappings": [
                        {
                            "UDS3_value": "1-5, 50, 88, 99",
                            "UDS4_value": "1 or blank",
                            "reversible": "NA",
                            "note": "NA"
                        }
                    ]
                },
                {
                    "mapping_type": "Response LEVELS",
                    "mappings": [
                        {
                            "UDS3_value": "3",
                            "UDS4_value": "1",
                            "reversible": "No",
                            "note": "NA"
                        }
                    ]
                },
                {
                    "mapping_type": "Response LEVELS",
                    "mappings": [
                        {
                            "UDS3_value": "1 | 2 | 4 | 5 | 50 | 88 | 99",
                            "UDS4_value": null,
                            "reversible": "No",
                            "note": "NA"
                        }
                    ]
                },
                {
                    "mapping_type": "Response LABELS",
                    "mappings": [
                        {
                            "UDS3_value": "3 American Indian or Alaska Native",
                            "UDS4_value": "American Indian or Alaska Native",
                            "reversible": "No",
                            "note": "NA"
                        }
                    ]
                },
                {
                    "mapping_type": "Response LABELS",
                    "mappings": [
                        {
                            "UDS3_value": "1 White | 2 Black or African American | 4 Native Hawaiian or other Pacific Islander | 5 Asian | 50 Other (specify) | 88 None Reported | 99 Unknown",
                            "UDS4_value": "",
                            "reversible": "No",
                            "note": "NA"
                        }
                    ]
                }
            ]
        },
        {
            "UDS3_variable": "RACETER",
            "UDS4_variable": "RACEASIAN",
            "crosswalk_mappings": [
                {
                    "mapping_type": "UDS form",
                    "mappings": [
                        {
                            "UDS3_value": "A1",
                            "UDS4_value": "A1",
                            "reversible": "No",
                            "note": "NA"
                        }
                    ]
                },
                {
                    "mapping_type": "UDS REDCap question number",
                    "mappings": [
                        {
                            "UDS3_value": "11",
                            "UDS4_value": "3b",
                            "reversible": "No",
                            "note": "NA"
                        }
                    ]
                },
                {
                    "mapping_type": "UDS REDCap field label",
                    "mappings": [
                        {
                            "UDS3_value": "11. What additional race, beyond what was indicated above in questions 9 and 10, does subject report?",
                            "UDS4_value": "3b. Race - Asian",
                            "reversible": "No",
                            "note": "NA"
                        }
                    ]
                },
                {
                    "mapping_type": "Data type",
                    "mappings": [
                        {
                            "UDS3_value": "Numeric factor",
                            "UDS4_value": "Numeric factor",
                            "reversible": "No",
                            "note": "NA"
                        }
                    ]
                },
                {
                    "mapping_type": "Conformity",
                    "mappings": [
                        {
                            "UDS3_value": "1-5, 50, 88, 99",
                            "UDS4_value": "1 or blank",
                            "reversible": "NA",
                            "note": "NA"
                        }
                    ]
                },
                {
                    "mapping_type": "Response LEVELS",
                    "mappings": [
                        {
                            "UDS3_value": "5",
                            "UDS4_value": "1",
                            "reversible": "No",
                            "note": "NA"
                        }
                    ]
                },
                {
                    "mapping_type": "Response LEVELS",
                    "mappings": [
                        {
                            "UDS3_value": "1 | 2 | 3 | 4 | 50 | 88 | 99",
                            "UDS4_value": null,
                            "reversible": "No",
                            "note": "NA"
                        }
                    ]
                },
                {
                    "mapping_type": "Response LABELS",
                    "mappings": [
                        {
                            "UDS3_value": "5 Asian",
                            "UDS4_value": "Asian",
                            "reversible": "No",
                            "note": "NA"
                        }
                    ]
                },
                {
                    "mapping_type": "Response LABELS",
                    "mappings": [
                        {
                            "UDS3_value": "1 White | 2 Black or African American | 3 American Indian or Alaska Native | 4 Native Hawaiian or other Pacific Islander | 50 Other (specify) | 88 None Reported | 99 Unknown",
                            "UDS4_value": "",
                            "reversible": "No",
                            "note": "NA"
                        }
                    ]
                }
            ]
        },
        {
            "UDS3_variable": "RACETER",
            "UDS4_variable": "RACEBLACK",
            "crosswalk_mappings": [
                {
                    "mapping_type": "UDS form",
                    "mappings": [
                        {
                            "UDS3_value": "A1",
                            "UDS4_value": "A1",
                            "reversible": "No",
                            "note": "NA"
                        }
                    ]
                },
                {
                    "mapping_type": "UDS REDCap question number",
                    "mappings": [
                        {
                            "UDS3_value": "11",
                            "UDS4_value": "3c",
                            "reversible": "No",
                            "note": "NA"
                        }
                    ]
                },
                {
                    "mapping_type": "UDS REDCap field label",
                    "mappings": [
                        {
                            "UDS3_value": "11. What additional race, beyond what was indicated above in questions 9 and 10, does subject report?",
                            "UDS4_value": "3c. Race - Black or African American",
                            "reversible": "No",
                            "note": "NA"
                        }
                    ]
                },
                {
                    "mapping_type": "Data type",
                    "mappings": [
                        {
                            "UDS3_value": "Numeric factor",
                            "UDS4_value": "Numeric factor",
                            "reversible": "No",
                            "note": "NA"
                        }
                    ]
                },
                {
                    "mapping_type": "Conformity",
                    "mappings": [
                        {
                            "UDS3_value": "1-5, 50, 88, 99",
                            "UDS4_value": "1 or blank",
                            "reversible": "NA",
                            "note": "NA"
                        }
                    ]
                },
                {
                    "mapping_type": "Response LEVELS",
                    "mappings": [
                        {
                            "UDS3_value": "2",
                            "UDS4_value": "1",
                            "reversible": "No",
                            "note": "NA"
                        }
                    ]
                },
                {
                    "mapping_type": "Response LEVELS",
                    "mappings": [
                        {
                            "UDS3_value": "1 | 3 | 4 | 5 | 50 | 88 | 99",
                            "UDS4_value": null,
                            "reversible": "No",
                            "note": "NA"
                        }
                    ]
                },
                {
                    "mapping_type": "Response LABELS",
                    "mappings": [
                        {
                            "UDS3_value": "2 Black or African American",
                            "UDS4_value": "Black or African American",
                            "reversible": "No",
                            "note": "NA"
                        }
                    ]
                },
                {
                    "mapping_type": "Response LABELS",
                    "mappings": [
                        {
                            "UDS3_value": "1 White | 3 American Indian or Alaska Native | 4 Native Hawaiian or other Pacific Islander | 5 Asian | 50 Other (specify) | 88 None Reported | 99 Unknown",
                            "UDS4_value": "",
                            "reversible": "No",
                            "note": "NA"
                        }
                    ]
                }
            ]
        },
        {
            "UDS3_variable": "RACETER",
            "UDS4_variable": "RACENHPI",
            "crosswalk_mappings": [
                {
                    "mapping_type": "UDS form",
                    "mappings": [
                        {
                            "UDS3_value": "A1",
                            "UDS4_value": "A1",
                            "reversible": "No",
                            "note": "NA"
                        }
                    ]
                },
                {
                    "mapping_type": "UDS REDCap question number",
                    "mappings": [
                        {
                            "UDS3_value": "11",
                            "UDS4_value": "3f",
                            "reversible": "No",
                            "note": "NA"
                        }
                    ]
                },
                {
                    "mapping_type": "UDS REDCap field label",
                    "mappings": [
                        {
                            "UDS3_value": "11. What additional race, beyond what was indicated above in questions 9 and 10, does subject report?",
                            "UDS4_value": "3f. Race - Native Hawaiian or Pacific Islander",
                            "reversible": "No",
                            "note": "NA"
                        }
                    ]
                },
                {
                    "mapping_type": "Data type",
                    "mappings": [
                        {
                            "UDS3_value": "Numeric factor",
                            "UDS4_value": "Numeric factor",
                            "reversible": "No",
                            "note": "NA"
                        }
                    ]
                },
                {
                    "mapping_type": "Conformity",
                    "mappings": [
                        {
                            "UDS3_value": "1-5, 50, 88, 99",
                            "UDS4_value": "1 or blank",
                            "reversible": "NA",
                            "note": "NA"
                        }
                    ]
                },
                {
                    "mapping_type": "Response LEVELS",
                    "mappings": [
                        {
                            "UDS3_value": "4",
                            "UDS4_value": "1",
                            "reversible": "No",
                            "note": "NA"
                        }
                    ]
                },
                {
                    "mapping_type": "Response LEVELS",
                    "mappings": [
                        {
                            "UDS3_value": "1 | 2 | 3 | 5 | 50 | 88 | 99",
                            "UDS4_value": null,
                            "reversible": "No",
                            "note": "NA"
                        }
                    ]
                },
                {
                    "mapping_type": "Response LABELS",
                    "mappings": [
                        {
                            "UDS3_value": "4 Native Hawaiian or other Pacific Islander",
                            "UDS4_value": "Native Hawaiian or Pacific Islander",
                            "reversible": "No",
                            "note": "NA"
                        }
                    ]
                },
                {
                    "mapping_type": "Response LABELS",
                    "mappings": [
                        {
                            "UDS3_value": "1 White | 2 Black or African American | 3 American Indian or Alaska Native | 5 Asian | 50 Other (specify) | 88 None Reported | 99 Unknown",
                            "UDS4_value": "",
                            "reversible": "No",
                            "note": "NA"
                        }
                    ]
                }
            ]
        },
        {
            "UDS3_variable": "RACETER",
            "UDS4_variable": "RACEUNKN",
            "crosswalk_mappings": [
                {
                    "mapping_type": "UDS form",
                    "mappings": [
                        {
                            "UDS3_value": "A1",
                            "UDS4_value": "A1",
                            "reversible": "No",
                            "note": "NA"
                        }
                    ]
                },
                {
                    "mapping_type": "UDS REDCap question number",
                    "mappings": [
                        {
                            "UDS3_value": "11",
                            "UDS4_value": "3h",
                            "reversible": "No",
                            "note": "NA"
                        }
                    ]
                },
                {
                    "mapping_type": "UDS REDCap field label",
                    "mappings": [
                        {
                            "UDS3_value": "11. What additional race, beyond what was indicated above in questions 9 and 10, does subject report?",
                            "UDS4_value": "3h. Race - Don't know<br>",
                            "reversible": "No",
                            "note": "NA"
                        }
                    ]
                },
                {
                    "mapping_type": "Data type",
                    "mappings": [
                        {
                            "UDS3_value": "Numeric factor",
                            "UDS4_value": "Numeric factor",
                            "reversible": "No",
                            "note": "NA"
                        }
                    ]
                },
                {
                    "mapping_type": "Conformity",
                    "mappings": [
                        {
                            "UDS3_value": "1-5, 50, 88, 99",
                            "UDS4_value": "1 or blank",
                            "reversible": "NA",
                            "note": "NA"
                        }
                    ]
                },
                {
                    "mapping_type": "Response LEVELS",
                    "mappings": [
                        {
                            "UDS3_value": "99",
                            "UDS4_value": "1",
                            "reversible": "No",
                            "note": "NA"
                        }
                    ]
                },
                {
                    "mapping_type": "Response LEVELS",
                    "mappings": [
                        {
                            "UDS3_value": "1 | 2 | 3 | 4 | 5 | 50 | 88",
                            "UDS4_value": null,
                            "reversible": "No",
                            "note": "NA"
                        }
                    ]
                },
                {
                    "mapping_type": "Response LABELS",
                    "mappings": [
                        {
                            "UDS3_value": "99 Unknown",
                            "UDS4_value": "Race__Don't know",
                            "reversible": "No",
                            "note": "NA"
                        }
                    ]
                },
                {
                    "mapping_type": "Response LABELS",
                    "mappings": [
                        {
                            "UDS3_value": "1 White | 2 Black or African American | 3 American Indian or Alaska Native | 4 Native Hawaiian or other Pacific Islander | 5 Asian | 50 Other (specify) | 88 None Reported",
                            "UDS4_value": "",
                            "reversible": "No",
                            "note": "NA"
                        }
                    ]
                }
            ]
        },
        {
            "UDS3_variable": "RACETER",
            "UDS4_variable": "RACEWHITE",
            "crosswalk_mappings": [
                {
                    "mapping_type": "UDS form",
                    "mappings": [
                        {
                            "UDS3_value": "A1",
                            "UDS4_value": "A1",
                            "reversible": "No",
                            "note": "NA"
                        }
                    ]
                },
                {
                    "mapping_type": "UDS REDCap question number",
                    "mappings": [
                        {
                            "UDS3_value": "11",
                            "UDS4_value": "3g",
                            "reversible": "No",
                            "note": "NA"
                        }
                    ]
                },
                {
                    "mapping_type": "UDS REDCap field label",
                    "mappings": [
                        {
                            "UDS3_value": "11. What additional race, beyond what was indicated above in questions 9 and 10, does subject report?",
                            "UDS4_value": "3g. Race - White",
                            "reversible": "No",
                            "note": "NA"
                        }
                    ]
                },
                {
                    "mapping_type": "Data type",
                    "mappings": [
                        {
                            "UDS3_value": "Numeric factor",
                            "UDS4_value": "Numeric factor",
                            "reversible": "No",
                            "note": "NA"
                        }
                    ]
                },
                {
                    "mapping_type": "Conformity",
                    "mappings": [
                        {
                            "UDS3_value": "1-5, 50, 88, 99",
                            "UDS4_value": "1 or blank",
                            "reversible": "NA",
                            "note": "NA"
                        }
                    ]
                },
                {
                    "mapping_type": "Response LEVELS",
                    "mappings": [
                        {
                            "UDS3_value": "1",
                            "UDS4_value": "1",
                            "reversible": "No",
                            "note": "NA"
                        }
                    ]
                },
                {
                    "mapping_type": "Response LEVELS",
                    "mappings": [
                        {
                            "UDS3_value": "2 | 3 | 4 | 5 | 50 | 88 | 99",
                            "UDS4_value": null,
                            "reversible": "No",
                            "note": "NA"
                        }
                    ]
                },
                {
                    "mapping_type": "Response LABELS",
                    "mappings": [
                        {
                            "UDS3_value": "1 White",
                            "UDS4_value": "White",
                            "reversible": "No",
                            "note": "NA"
                        }
                    ]
                },
                {
                    "mapping_type": "Response LABELS",
                    "mappings": [
                        {
                            "UDS3_value": "2 Black or African American | 3 American Indian or Alaska Native | 4 Native Hawaiian or other Pacific Islander | 5 Asian | 50 Other (specify) | 88 None Reported | 99 Unknown",
                            "UDS4_value": "",
                            "reversible": "No",
                            "note": "NA"
                        }
                    ]
                }
            ]
        },
        {
            "UDS3_variable": "RACETERX",
            "UDS4_variable": "RACEMENA",
            "crosswalk_mappings": [
                {
                    "mapping_type": "UDS form",
                    "mappings": [
                        {
                            "UDS3_value": "A1",
                            "UDS4_value": "A1",
                            "reversible": "No",
                            "note": "NA"
                        }
                    ]
                },
                {
                    "mapping_type": "UDS REDCap question number",
                    "mappings": [
                        {
                            "UDS3_value": "11a",
                            "UDS4_value": "3e",
                            "reversible": "No",
                            "note": "NA"
                        }
                    ]
                },
                {
                    "mapping_type": "UDS REDCap field label",
                    "mappings": [
                        {
                            "UDS3_value": "11a. Other (specify subject's additonal race beyond questions 9 and 10):",
                            "UDS4_value": "3e. Race - Middle Eastern or North African",
                            "reversible": "No",
                            "note": "NA"
                        }
                    ]
                },
                {
                    "mapping_type": "Data type",
                    "mappings": [
                        {
                            "UDS3_value": "Character",
                            "UDS4_value": "Numeric factor",
                            "reversible": "No",
                            "note": "NA"
                        }
                    ]
                },
                {
                    "mapping_type": "Conformity",
                    "mappings": [
                        {
                            "UDS3_value": "Any text or numbers with the exception of single quotes (‘), double quotes (“), ampersands (&), and percentage signs (%).",
                            "UDS4_value": "1 or blank",
                            "reversible": "NA",
                            "note": "NA"
                        }
                    ]
                },
                {
                    "mapping_type": "Response LEVELS",
                    "mappings": [
                        {
                            "UDS3_value": "grep(\"middle eastern or north african\", RACETERX)",
                            "UDS4_value": "1",
                            "reversible": "No",
                            "note": "Mapping to UDS4 RACEMENA requires text variant matching to \"MIDDLE EASTERN OR NORTH AFRICAN\" in UDS3 RACETERX"
                        }
                    ]
                },
                {
                    "mapping_type": "Response LABELS",
                    "mappings": [
                        {
                            "UDS3_value": "grep(\"middle eastern or north african\", RACETERX)",
                            "UDS4_value": "Middle Eastern or North African",
                            "reversible": "No",
                            "note": "Mapping to UDS4 RACEMENA requires text variant matching to \"MIDDLE EASTERN OR NORTH AFRICAN\" in UDS3 RACETERX"
                        }
                    ]
                }
            ]
        },
        {
            "UDS3_variable": "RACEX",
            "UDS4_variable": "RACEMENA",
            "crosswalk_mappings": [
                {
                    "mapping_type": "UDS form",
                    "mappings": [
                        {
                            "UDS3_value": "A1",
                            "UDS4_value": "A1",
                            "reversible": "Conditional",
                            "note": "Mappable to UDS3 RACEX when only RACEMENA selected"
                        }
                    ]
                },
                {
                    "mapping_type": "UDS REDCap question number",
                    "mappings": [
                        {
                            "UDS3_value": "9a",
                            "UDS4_value": "3e",
                            "reversible": "Conditional",
                            "note": "Mappable to UDS3 RACEX when only RACEMENA selected"
                        }
                    ]
                },
                {
                    "mapping_type": "UDS REDCap field label",
                    "mappings": [
                        {
                            "UDS3_value": "9a. Other (specify subjects race):",
                            "UDS4_value": "3e. Race - Middle Eastern or North African",
                            "reversible": "Conditional",
                            "note": "Mappable to UDS3 RACEX when only RACEMENA selected"
                        }
                    ]
                },
                {
                    "mapping_type": "Data type",
                    "mappings": [
                        {
                            "UDS3_value": "Character",
                            "UDS4_value": "Numeric factor",
                            "reversible": "Conditional",
                            "note": "Mappable to UDS3 RACEX when only RACEMENA selected"
                        }
                    ]
                },
                {
                    "mapping_type": "Conformity",
                    "mappings": [
                        {
                            "UDS3_value": "Any text or numbers with the exception of single quotes (‘), double quotes (“), ampersands (&), and percentage signs (%).",
                            "UDS4_value": "1 or blank",
                            "reversible": "NA",
                            "note": "NA"
                        }
                    ]
                },
                {
                    "mapping_type": "Response LEVELS",
                    "mappings": [
                        {
                            "UDS3_value": "grep(\"middle eastern or north african\", RACEX)",
                            "UDS4_value": "1",
                            "reversible": "Conditional",
                            "note": "Mapping to UDS4 RACEMENA requires text variant matching to \"MIDDLE EASTERN OR NORTH AFRICAN\" in UDS3 RACEX; Mappable to UDS3 RACEX when only RACEMENA selected"
                        }
                    ]
                },
                {
                    "mapping_type": "Response LABELS",
                    "mappings": [
                        {
                            "UDS3_value": "grep(\"middle eastern or north african\", RACEX)",
                            "UDS4_value": "Middle Eastern or North African",
                            "reversible": "Conditional",
                            "note": "Mapping to UDS4 RACEMENA requires text variant matching to \"MIDDLE EASTERN OR NORTH AFRICAN\" in UDS3 RACEX; Mappable to UDS3 RACEX when only RACEMENA selected"
                        }
                    ]
                }
            ]
        },
        {
            "UDS3_variable": "RESIDENC",
            "UDS4_variable": "RESIDENC",
            "crosswalk_mappings": [
                {
                    "mapping_type": "UDS form",
                    "mappings": [
                        {
                            "UDS3_value": "A1",
                            "UDS4_value": "A1",
                            "reversible": "Yes",
                            "note": "NA"
                        }
                    ]
                },
                {
                    "mapping_type": "UDS REDCap question number",
                    "mappings": [
                        {
                            "UDS3_value": "17",
                            "UDS4_value": "13",
                            "reversible": "Yes",
                            "note": "NA"
                        }
                    ]
                },
                {
                    "mapping_type": "UDS REDCap field label",
                    "mappings": [
                        {
                            "UDS3_value": "17. What is the subject's primary type of residence?",
                            "UDS4_value": "13. What is your primary type of residence?<br>",
                            "reversible": "Yes",
                            "note": "NA"
                        }
                    ]
                },
                {
                    "mapping_type": "Data type",
                    "mappings": [
                        {
                            "UDS3_value": "Numeric factor",
                            "UDS4_value": "Numeric factor",
                            "reversible": "Yes",
                            "note": "NA"
                        }
                    ]
                },
                {
                    "mapping_type": "Conformity",
                    "mappings": [
                        {
                            "UDS3_value": "1-4, 9",
                            "UDS4_value": "1-4, 6, 9",
                            "reversible": "NA",
                            "note": "Only response levels 1-4,9 mappable to UDS3"
                        }
                    ]
                },
                {
                    "mapping_type": "Response LEVELS",
                    "mappings": [
                        {
                            "UDS3_value": "1",
                            "UDS4_value": "1",
                            "reversible": "Yes",
                            "note": "NA"
                        }
                    ]
                },
                {
                    "mapping_type": "Response LEVELS",
                    "mappings": [
                        {
                            "UDS3_value": "2",
                            "UDS4_value": "2",
                            "reversible": "Yes",
                            "note": "NA"
                        }
                    ]
                },
                {
                    "mapping_type": "Response LEVELS",
                    "mappings": [
                        {
                            "UDS3_value": "3",
                            "UDS4_value": "3",
                            "reversible": "Yes",
                            "note": "NA"
                        }
                    ]
                },
                {
                    "mapping_type": "Response LEVELS",
                    "mappings": [
                        {
                            "UDS3_value": "4",
                            "UDS4_value": "4",
                            "reversible": "Yes",
                            "note": "NA"
                        }
                    ]
                },
                {
                    "mapping_type": "Response LEVELS",
                    "mappings": [
                        {
                            "UDS3_value": "9",
                            "UDS4_value": "9",
                            "reversible": "Yes",
                            "note": "NA"
                        }
                    ]
                },
                {
                    "mapping_type": "Response LABELS",
                    "mappings": [
                        {
                            "UDS3_value": "1 Single - or multi-family private residence (apartment, condo, house)",
                            "UDS4_value": "Single- or multi-family private residence (apartment, condo, house)",
                            "reversible": "Yes",
                            "note": "NA"
                        }
                    ]
                },
                {
                    "mapping_type": "Response LABELS",
                    "mappings": [
                        {
                            "UDS3_value": "2 Retirement community or independent group living",
                            "UDS4_value": "Retirement community or independent group living",
                            "reversible": "Yes",
                            "note": "NA"
                        }
                    ]
                },
                {
                    "mapping_type": "Response LABELS",
                    "mappings": [
                        {
                            "UDS3_value": "3 Assisted living, adult family home, or boarding home",
                            "UDS4_value": "Assisted living, adult family home, or boarding home",
                            "reversible": "Yes",
                            "note": "NA"
                        }
                    ]
                },
                {
                    "mapping_type": "Response LABELS",
                    "mappings": [
                        {
                            "UDS3_value": "4 Skilled nursing facility, nursing home, hospital, or hospice",
                            "UDS4_value": "Skilled nursing facility, nursing home, hospital, or hospice",
                            "reversible": "Yes",
                            "note": "NA"
                        }
                    ]
                },
                {
                    "mapping_type": "Response LABELS",
                    "mappings": [
                        {
                            "UDS3_value": "9 Unknown",
                            "UDS4_value": "Don't know",
                            "reversible": "Yes",
                            "note": "NA"
                        }
                    ]
                }
            ]
        }
    ],
    "Structured_Transformations": [
        {
            "UDS3_variable": "TELCOG",
            "UDS4_variable": "RMREASA1",
            "crosswalk_mappings": [
                {
                    "mapping_type": "Response LEVELS",
                    "mappings": [
                        {
                            "UDS3_value": "1",
                            "UDS4_value": "1",
                            "reversible": "Yes",
                            "note": "T1 variables mutually exclusive, ADRC should decide priority"
                        }
                    ]
                },
                {
                    "mapping_type": "Response LABELS",
                    "mappings": [
                        {
                            "UDS3_value": "Yes",
                            "UDS4_value": "Too cognitively impaired",
                            "reversible": "Yes",
                            "note": "T1 variables mutually exclusive, ADRC should decide priority"
                        }
                    ]
                }
            ]
        },
        {
            "UDS3_variable": "TELCOG & TELILL & TELHOME & TELREFU & TELOTHR",
            "UDS4_variable": "MODEA1",
            "crosswalk_mappings": [
                {
                    "mapping_type": "Structured mapping",
                    "mappings": [
                        {
                            "UDS3_value": "0 & 0 & 0 & 0 & 0",
                            "UDS4_value": "1",
                            "reversible": "Yes",
                            "note": "UDS3 T1 specific structured mapping"
                        }
                    ]
                }
            ]
        },
        {
            "UDS3_variable": "TELCOG | TELILL | TELHOME | TELREFU | TELOTHR",
            "UDS4_variable": "MODEA1",
            "crosswalk_mappings": [
                {
                    "mapping_type": "Structured mapping",
                    "mappings": [
                        {
                            "UDS3_value": "1 | 1 | 1 | 1 | 1",
                            "UDS4_value": "2",
                            "reversible": "Yes",
                            "note": "UDS3 T1 specific structured mapping"
                        }
                    ]
                }
            ]
        },
        {
            "UDS3_variable": "TELCOG | TELILL | TELHOME | TELREFU | TELOTHR",
            "UDS4_variable": "RMREASA1",
            "crosswalk_mappings": [
                {
                    "mapping_type": "UDS Form",
                    "mappings": [
                        {
                            "UDS3_value": "T1",
                            "UDS4_value": "A1",
                            "reversible": "Yes",
                            "note": "NA"
                        }
                    ]
                },
                {
                    "mapping_type": "UDS REDCap question number",
                    "mappings": [
                        {
                            "UDS3_value": "1",
                            "UDS4_value": "0d1",
                            "reversible": "Yes",
                            "note": "NA"
                        }
                    ]
                },
                {
                    "mapping_type": "UDS REDCap field label",
                    "mappings": [
                        {
                            "UDS3_value": "Why is the UDS telephone follow-up protocol being used to obtain data about the subject?",
                            "UDS4_value": "0d1. If 'A1 Participant Demographics'  form was completed remotely, specify reason",
                            "reversible": "Yes",
                            "note": "NA"
                        }
                    ]
                },
                {
                    "mapping_type": "Data type",
                    "mappings": [
                        {
                            "UDS3_value": "Numeric factor",
                            "UDS4_value": "Numeric factor",
                            "reversible": "Yes",
                            "note": "NA"
                        }
                    ]
                },
                {
                    "mapping_type": "Conformity",
                    "mappings": [
                        {
                            "UDS3_value": "0-1",
                            "UDS4_value": "1-5",
                            "reversible": "NA",
                            "note": "NA"
                        }
                    ]
                }
            ]
        },
        {
            "UDS3_variable": "TELHOME",
            "UDS4_variable": "RMREASA1",
            "crosswalk_mappings": [
                {
                    "mapping_type": "Response LEVELS",
                    "mappings": [
                        {
                            "UDS3_value": "1",
                            "UDS4_value": "3",
                            "reversible": "Yes",
                            "note": "T1 variables mutually exclusive, ADRC should decide priority"
                        }
                    ]
                },
                {
                    "mapping_type": "Response LABELS",
                    "mappings": [
                        {
                            "UDS3_value": "Yes",
                            "UDS4_value": "Homebound or nursing home",
                            "reversible": "Yes",
                            "note": "T1 variables mutually exclusive, ADRC should decide priority"
                        }
                    ]
                }
            ]
        },
        {
            "UDS3_variable": "TELILL",
            "UDS4_variable": "RMREASA1",
            "crosswalk_mappings": [
                {
                    "mapping_type": "Response LEVELS",
                    "mappings": [
                        {
                            "UDS3_value": "1",
                            "UDS4_value": "2",
                            "reversible": "Yes",
                            "note": "T1 variables mutually exclusive, ADRC should decide priority"
                        }
                    ]
                },
                {
                    "mapping_type": "Response LABELS",
                    "mappings": [
                        {
                            "UDS3_value": "Yes",
                            "UDS4_value": "Too physically impaired",
                            "reversible": "Yes",
                            "note": "T1 variables mutually exclusive, ADRC should decide priority"
                        }
                    ]
                }
            ]
        },
        {
            "UDS3_variable": "TELOTHR",
            "UDS4_variable": "RMREASA1",
            "crosswalk_mappings": [
                {
                    "mapping_type": "Response LEVELS",
                    "mappings": [
                        {
                            "UDS3_value": "1",
                            "UDS4_value": "5",
                            "reversible": "Yes",
                            "note": "T1 variables mutually exclusive, ADRC should decide priority"
                        }
                    ]
                },
                {
                    "mapping_type": "Response LABELS",
                    "mappings": [
                        {
                            "UDS3_value": "Yes",
                            "UDS4_value": "Other",
                            "reversible": "Yes",
                            "note": "T1 variables mutually exclusive, ADRC should decide priority"
                        }
                    ]
                }
            ]
        },
        {
            "UDS3_variable": "TELREFU",
            "UDS4_variable": "RMREASA1",
            "crosswalk_mappings": [
                {
                    "mapping_type": "Response LEVELS",
                    "mappings": [
                        {
                            "UDS3_value": "1",
                            "UDS4_value": "4",
                            "reversible": "Yes",
                            "note": "T1 variables mutually exclusive, ADRC should decide priority"
                        }
                    ]
                },
                {
                    "mapping_type": "Response LABELS",
                    "mappings": [
                        {
                            "UDS3_value": "Yes",
                            "UDS4_value": "Refused in-person visit",
                            "reversible": "Yes",
                            "note": "T1 variables mutually exclusive, ADRC should decide priority"
                        }
                    ]
                }
            ]
        },
        {
            "UDS3_variable": "VISITMO__A1 & VISITDAY__A1 & VISITYR__A1",
            "UDS4_variable": "FRMDATEA1",
            "crosswalk_mappings": [
                {
                    "mapping_type": "UDS Form",
                    "mappings": [
                        {
                            "UDS3_value": "FORM_HEADER__A1",
                            "UDS4_value": "A1",
                            "reversible": "Yes",
                            "note": "NA"
                        }
                    ]
                },
                {
                    "mapping_type": "UDS REDCap question number",
                    "mappings": [
                        {
                            "UDS3_value": "H4 & H5 & H6",
                            "UDS4_value": "0a",
                            "reversible": "Yes",
                            "note": "Imputed position numbers UDS3"
                        }
                    ]
                },
                {
                    "mapping_type": "UDS REDCap field label",
                    "mappings": [
                        {
                            "UDS3_value": "Form date - month__A1 & Form date - day__A1 & Form date - year__A1",
                            "UDS4_value": "0a. A1 Participant Demographics - Form date",
                            "reversible": "Yes",
                            "note": "NA"
                        }
                    ]
                },
                {
                    "mapping_type": "Data type",
                    "mappings": [
                        {
                            "UDS3_value": "Entry integer & Entry integer & Entry integer",
                            "UDS4_value": "Date",
                            "reversible": "Yes",
                            "note": "NA"
                        }
                    ]
                },
                {
                    "mapping_type": "Conformity",
                    "mappings": [
                        {
                            "UDS3_value": "1-12 & 1-31 & 2005-present year",
                            "UDS4_value": "After 9/1/2005",
                            "reversible": "NA",
                            "note": "NA"
                        }
                    ]
                },
                {
                    "mapping_type": "Structured mapping",
                    "mappings": [
                        {
                            "UDS3_value": "strplit(FRMDATEA1, \"/\")",
                            "UDS4_value": "paste(VISITMO__A1, \"/\", VISITDAY_A1, \"/\", VISITYR_A1)",
                            "reversible": "Yes",
                            "note": "Structured mapping presented as R expression"
                        }
                    ]
                }
            ]
        }
    ],
    "High_Complexity": [
        {
            "UDS3_variable": "LEARNED",
            "UDS4_variable": "REFLEARNED",
            "crosswalk_mappings": [
                {
                    "mapping_type": "UDS form",
                    "mappings": [
                        {
                            "UDS3_value": "A1",
                            "UDS4_value": "A1",
                            "reversible": "Yes",
                            "note": "NA"
                        }
                    ]
                },
                {
                    "mapping_type": "UDS REDCap question number",
                    "mappings": [
                        {
                            "UDS3_value": "2b",
                            "UDS4_value": "26",
                            "reversible": "Yes",
                            "note": "NA"
                        }
                    ]
                },
                {
                    "mapping_type": "UDS REDCap field label",
                    "mappings": [
                        {
                            "UDS3_value": "2b.  If the referral source was self-referral or a non-professional contact, how did the referral source learn of the ADC?",
                            "UDS4_value": "26. If the referral source was a self-referral or a nonprofessional contact, how did the referral source learn of the ADRC?<br>",
                            "reversible": "Yes",
                            "note": "NA"
                        }
                    ]
                },
                {
                    "mapping_type": "Data type",
                    "mappings": [
                        {
                            "UDS3_value": "Numeric factor",
                            "UDS4_value": "Numeric factor",
                            "reversible": "Yes",
                            "note": "NA"
                        }
                    ]
                },
                {
                    "mapping_type": "Conformity",
                    "mappings": [
                        {
                            "UDS3_value": "1-4, 8-9",
                            "UDS4_value": "1-10, 88, 99",
                            "reversible": "NA",
                            "note": "NA"
                        }
                    ]
                },
                {
                    "mapping_type": "Response LEVELS",
                    "mappings": [
                        {
                            "UDS3_value": "8",
                            "UDS4_value": "88",
                            "reversible": "ADRC decision",
                            "note": "Mapping between UDS4 REFLEARNED (levels 1-10) and LEARNED (levels 1-4) dependent on Center and CTF needs"
                        }
                    ]
                },
                {
                    "mapping_type": "Response LEVELS",
                    "mappings": [
                        {
                            "UDS3_value": "9",
                            "UDS4_value": "99",
                            "reversible": "Yes",
                            "note": "NA"
                        }
                    ]
                },
                {
                    "mapping_type": "Response LABELS",
                    "mappings": [
                        {
                            "UDS3_value": "8 Other",
                            "UDS4_value": "Other",
                            "reversible": "Yes",
                            "note": "NA"
                        }
                    ]
                },
                {
                    "mapping_type": "Response LABELS",
                    "mappings": [
                        {
                            "UDS3_value": "9 Unknown",
                            "UDS4_value": "Unknown",
                            "reversible": "Yes",
                            "note": "NA"
                        }
                    ]
                }
            ]
        },
        {
            "UDS3_variable": "TELMOD",
            "UDS4_variable": "RMMODEA1",
            "crosswalk_mappings": [
                {
                    "mapping_type": "UDS Form",
                    "mappings": [
                        {
                            "UDS3_value": "T1",
                            "UDS4_value": "A1",
                            "reversible": "Conditional",
                            "note": "Reversible to a single T1 form for ANY UDS4 remote implementation"
                        }
                    ]
                },
                {
                    "mapping_type": "UDS REDCap question number",
                    "mappings": [
                        {
                            "UDS3_value": "2",
                            "UDS4_value": "0d1a",
                            "reversible": "Conditional",
                            "note": "Reversible to a single T1 form for ANY UDS4 remote implementation"
                        }
                    ]
                },
                {
                    "mapping_type": "UDS REDCap field label",
                    "mappings": [
                        {
                            "UDS3_value": "What modality of communication was used to collect this remote UDS packet?",
                            "UDS4_value": "0d1a. What modality was used to collect this remote 'A1 Participant Demographics' form?",
                            "reversible": "Conditional",
                            "note": "Reversible to a single T1 form for ANY UDS4 remote implementation"
                        }
                    ]
                },
                {
                    "mapping_type": "Data type",
                    "mappings": [
                        {
                            "UDS3_value": "Numeric factor",
                            "UDS4_value": "Numeric factor",
                            "reversible": "Conditional",
                            "note": "Reversible to a single T1 form for ANY UDS4 remote implementation"
                        }
                    ]
                },
                {
                    "mapping_type": "Conformity",
                    "mappings": [
                        {
                            "UDS3_value": "1-3",
                            "UDS4_value": "1-4",
                            "reversible": "NA",
                            "note": "NA"
                        }
                    ]
                },
                {
                    "mapping_type": "Response LEVELS",
                    "mappings": [
                        {
                            "UDS3_value": "1",
                            "UDS4_value": "1",
                            "reversible": "Yes",
                            "note": "Reversible to a single T1 form for ANY UDS4 remote implementation"
                        }
                    ]
                },
                {
                    "mapping_type": "Response LEVELS",
                    "mappings": [
                        {
                            "UDS3_value": "2",
                            "UDS4_value": "2",
                            "reversible": "Yes",
                            "note": "Reversible to a single T1 form for ANY UDS4 remote implementation"
                        }
                    ]
                },
                {
                    "mapping_type": "Response LABELS",
                    "mappings": [
                        {
                            "UDS3_value": "Telephone",
                            "UDS4_value": "Telephone",
                            "reversible": "Yes",
                            "note": "NA"
                        }
                    ]
                },
                {
                    "mapping_type": "Response LABELS",
                    "mappings": [
                        {
                            "UDS3_value": "Video-assisted conference",
                            "UDS4_value": "Video",
                            "reversible": "Yes",
                            "note": "NA"
                        }
                    ]
                }
            ]
        }
    ]
}