{
    "Direct_Mappings": [
        {
            "UDS3_variable": "HEIGHT",
            "UDS4_variable": "HEIGHT",
            "crosswalk_remappings": [
                {
                    "mapping_type": "UDS form",
                    "mappings": [
                        {
                            "UDS3_value": "B1",
                            "UDS4_value": "B1",
                            "reversible": "Yes",
                            "note": "NA"
                        }
                    ]
                },
                {
                    "mapping_type": "UDS REDCap question number",
                    "mappings": [
                        {
                            "UDS3_value": 1,
                            "UDS4_value": 1,
                            "reversible": "Yes",
                            "note": "NA"
                        }
                    ]
                },
                {
                    "mapping_type": "UDS REDCap field label",
                    "mappings": [
                        {
                            "UDS3_value": "1. Subject height (inches)",
                            "UDS4_value": "1. Participant height (inches)",
                            "reversible": "Yes",
                            "note": "NA"
                        }
                    ]
                },
                {
                    "mapping_type": "Data type",
                    "mappings": [
                        {
                            "UDS3_value": "Number with factor",
                            "UDS4_value": "Number with factor",
                            "reversible": "Yes",
                            "note": "NA"
                        }
                    ]
                },
                {
                    "mapping_type": "Conformity",
                    "mappings": [
                        {
                            "UDS3_value": "36.0-87.8, 88.8",
                            "UDS4_value": "36.0-87.9, 88.8",
                            "reversible": "Yes",
                            "note": "NA"
                        }
                    ]
                },
                {
                    "mapping_type": "Response LABELS",
                    "mappings": [
                        {
                            "UDS3_value": 88.8,
                            "UDS4_value": "88.8 = not assessed",
                            "reversible": "Yes",
                            "note": "NA"
                        }
                    ]
                }
            ]
        },
        {
            "UDS3_variable": "HRATE",
            "UDS4_variable": "HRATE",
            "crosswalk_remappings": [
                {
                    "mapping_type": "UDS form",
                    "mappings": [
                        {
                            "UDS3_value": "B1",
                            "UDS4_value": "B1",
                            "reversible": "Yes",
                            "note": "NA"
                        }
                    ]
                },
                {
                    "mapping_type": "UDS REDCap question number",
                    "mappings": [
                        {
                            "UDS3_value": 4,
                            "UDS4_value": 6,
                            "reversible": "Yes",
                            "note": "NA"
                        }
                    ]
                },
                {
                    "mapping_type": "UDS REDCap field label",
                    "mappings": [
                        {
                            "UDS3_value": "4. Subject resting heart rate (pulse)",
                            "UDS4_value": "6. Participant resting heart rate (pulse)",
                            "reversible": "Yes",
                            "note": "NA"
                        }
                    ]
                },
                {
                    "mapping_type": "Data type",
                    "mappings": [
                        {
                            "UDS3_value": "Number with factor",
                            "UDS4_value": "Number with factor",
                            "reversible": "Yes",
                            "note": "NA"
                        }
                    ]
                },
                {
                    "mapping_type": "Conformity",
                    "mappings": [
                        {
                            "UDS3_value": "33-160, 888",
                            "UDS4_value": "33-160, 888",
                            "reversible": "Yes",
                            "note": "NA"
                        }
                    ]
                },
                {
                    "mapping_type": "Response LEVELS",
                    "mappings": [
                        {
                            "UDS3_value": 888,
                            "UDS4_value": 888,
                            "reversible": "Yes",
                            "note": "NA"
                        }
                    ]
                },
                {
                    "mapping_type": "Response LABELS",
                    "mappings": [
                        {
                            "UDS3_value": 888,
                            "UDS4_value": "888 = Not assessed",
                            "reversible": "Yes",
                            "note": "NA"
                        }
                    ]
                }
            ]
        },
        {
            "UDS3_variable": "PTID__B1",
            "UDS4_variable": "PTID__B1",
            "crosswalk_remappings": [
                {
                    "mapping_type": "UDS Form",
                    "mappings": [
                        {
                            "UDS3_value": "FORM_HEADER__B1",
                            "UDS4_value": "FORM_HEADER__B1",
                            "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__B1",
                            "UDS4_value": "PTID__B1",
                            "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": "VISITNUM__B1",
            "UDS4_variable": "VISITNUM__B1",
            "crosswalk_remappings": [
                {
                    "mapping_type": "UDS Form",
                    "mappings": [
                        {
                            "UDS3_value": "FORM_HEADER__B1",
                            "UDS4_value": "FORM_HEADER__B1",
                            "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 #__B1",
                            "UDS4_value": "ADC Visit ID__B1",
                            "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": "WEIGHT",
            "UDS4_variable": "WEIGHT",
            "crosswalk_remappings": [
                {
                    "mapping_type": "UDS form",
                    "mappings": [
                        {
                            "UDS3_value": "B1",
                            "UDS4_value": "B1",
                            "reversible": "Yes",
                            "note": "NA"
                        }
                    ]
                },
                {
                    "mapping_type": "UDS REDCap question number",
                    "mappings": [
                        {
                            "UDS3_value": 2,
                            "UDS4_value": 2,
                            "reversible": "Yes",
                            "note": "NA"
                        }
                    ]
                },
                {
                    "mapping_type": "UDS REDCap field label",
                    "mappings": [
                        {
                            "UDS3_value": "2. Subject weight (lbs.)",
                            "UDS4_value": "2. Participant weight (lbs.)",
                            "reversible": "Yes",
                            "note": "NA"
                        }
                    ]
                },
                {
                    "mapping_type": "Data type",
                    "mappings": [
                        {
                            "UDS3_value": "Number with factor",
                            "UDS4_value": "Number with factor",
                            "reversible": "Yes",
                            "note": "NA"
                        }
                    ]
                },
                {
                    "mapping_type": "Conformity",
                    "mappings": [
                        {
                            "UDS3_value": "50-400, 888",
                            "UDS4_value": "50-400, 888",
                            "reversible": "Yes",
                            "note": "NA"
                        }
                    ]
                },
                {
                    "mapping_type": "Response LABELS",
                    "mappings": [
                        {
                            "UDS3_value": 888,
                            "UDS4_value": "888 = Not assessed",
                            "reversible": "Yes",
                            "note": "NA"
                        }
                    ]
                }
            ]
        }
    ],
    "Conditional_Consistency": [
        {
            "UDS3_variable": "ADCID__B1",
            "UDS4_variable": "ADCID__B1",
            "crosswalk_mappings": [
                {
                    "mapping_type": "UDS Form",
                    "mappings": [
                        {
                            "UDS3_value": "FORM_HEADER__B1",
                            "UDS4_value": "FORM_HEADER__B1",
                            "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__B1",
                            "UDS4_value": "ADC name__B1",
                            "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": "B1NOT",
            "UDS4_variable": "B1NOT",
            "crosswalk_mappings": [
                {
                    "mapping_type": "UDS Form",
                    "mappings": [
                        {
                            "UDS3_value": "Z1X",
                            "UDS4_value": "B1",
                            "reversible": "Yes",
                            "note": "NA"
                        }
                    ]
                },
                {
                    "mapping_type": "UDS REDCap question number",
                    "mappings": [
                        {
                            "UDS3_value": "6c",
                            "UDS4_value": "0d1",
                            "reversible": "Yes",
                            "note": "NA"
                        }
                    ]
                },
                {
                    "mapping_type": "UDS REDCap field label",
                    "mappings": [
                        {
                            "UDS3_value": "6c. If B1 not submitted, specify reason. (see KEY)",
                            "UDS4_value": "0d1. If 'B1 Evaluation Form: Physical' not submitted, 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": "95-98",
                            "UDS4_value": "95-98",
                            "reversible": "NA",
                            "note": "NA"
                        }
                    ]
                },
                {
                    "mapping_type": "Response LEVELS",
                    "mappings": [
                        {
                            "UDS3_value": "95",
                            "UDS4_value": "95",
                            "reversible": "Yes",
                            "note": "NA"
                        }
                    ]
                },
                {
                    "mapping_type": "Response LEVELS",
                    "mappings": [
                        {
                            "UDS3_value": "96",
                            "UDS4_value": "96",
                            "reversible": "Yes",
                            "note": "NA"
                        }
                    ]
                },
                {
                    "mapping_type": "Response LEVELS",
                    "mappings": [
                        {
                            "UDS3_value": "97",
                            "UDS4_value": "97",
                            "reversible": "Yes",
                            "note": "NA"
                        }
                    ]
                },
                {
                    "mapping_type": "Response LEVELS",
                    "mappings": [
                        {
                            "UDS3_value": "98",
                            "UDS4_value": "98",
                            "reversible": "Yes",
                            "note": "NA"
                        }
                    ]
                },
                {
                    "mapping_type": "Response LABELS",
                    "mappings": [
                        {
                            "UDS3_value": "95 Physical problem",
                            "UDS4_value": "Physical problem",
                            "reversible": "Yes",
                            "note": "NA"
                        }
                    ]
                },
                {
                    "mapping_type": "Response LABELS",
                    "mappings": [
                        {
                            "UDS3_value": "96 Cognitive/behavior problem",
                            "UDS4_value": "Cognitive/behavioral problem",
                            "reversible": "Yes",
                            "note": "NA"
                        }
                    ]
                },
                {
                    "mapping_type": "Response LABELS",
                    "mappings": [
                        {
                            "UDS3_value": "97 Other problem",
                            "UDS4_value": "Other",
                            "reversible": "Yes",
                            "note": "NA"
                        }
                    ]
                },
                {
                    "mapping_type": "Response LABELS",
                    "mappings": [
                        {
                            "UDS3_value": "98 Verbal refusal",
                            "UDS4_value": "Verbal refusal",
                            "reversible": "Yes",
                            "note": "NA"
                        }
                    ]
                }
            ]
        },
        {
            "UDS3_variable": "FORMVER__B1",
            "UDS4_variable": "FORMVER__B1",
            "crosswalk_mappings": [
                {
                    "mapping_type": "UDS Form",
                    "mappings": [
                        {
                            "UDS3_value": "FORM_HEADER__B1",
                            "UDS4_value": "FORM_HEADER__B1",
                            "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__B1",
                            "UDS4_value": "Form version number__B1",
                            "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": "INITIALS__B1",
            "UDS4_variable": "INITIALSB1",
            "crosswalk_mappings": [
                {
                    "mapping_type": "UDS Form",
                    "mappings": [
                        {
                            "UDS3_value": "FORM_HEADER__B1",
                            "UDS4_value": "B1",
                            "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)__B1",
                            "UDS4_value": "0b. B1 Evaluation Form: Physical - 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": "LANGB1",
            "UDS4_variable": "LANGB1",
            "crosswalk_mappings": [
                {
                    "mapping_type": "UDS Form",
                    "mappings": [
                        {
                            "UDS3_value": "Z1X",
                            "UDS4_value": "B1",
                            "reversible": "Yes",
                            "note": "NA"
                        }
                    ]
                },
                {
                    "mapping_type": "UDS REDCap question number",
                    "mappings": [
                        {
                            "UDS3_value": "6a",
                            "UDS4_value": "0c",
                            "reversible": "Yes",
                            "note": "NA"
                        }
                    ]
                },
                {
                    "mapping_type": "UDS REDCap field label",
                    "mappings": [
                        {
                            "UDS3_value": "6a. Language used for B1 Evaluation Form: Physical",
                            "UDS4_value": "0c. B1 Evaluation Form: Physical - Language",
                            "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 English",
                            "UDS4_value": "English",
                            "reversible": "Yes",
                            "note": "NA"
                        }
                    ]
                },
                {
                    "mapping_type": "Response LABELS",
                    "mappings": [
                        {
                            "UDS3_value": "2 Spanish",
                            "UDS4_value": "Spanish",
                            "reversible": "Yes",
                            "note": "NA"
                        }
                    ]
                }
            ]
        }
    ],
    "Structured_Transformations": [
        {
            "UDS3_variable": "B1SUB",
            "UDS4_variable": "MODEB1",
            "crosswalk_mappings": [
                {
                    "mapping_type": "UDS Form",
                    "mappings": [
                        {
                            "UDS3_value": "Z1X",
                            "UDS4_value": "B1",
                            "reversible": "Yes",
                            "note": "NA"
                        }
                    ]
                },
                {
                    "mapping_type": "UDS REDCap question number",
                    "mappings": [
                        {
                            "UDS3_value": "6b",
                            "UDS4_value": "0d",
                            "reversible": "Yes",
                            "note": "NA"
                        }
                    ]
                },
                {
                    "mapping_type": "UDS REDCap field label",
                    "mappings": [
                        {
                            "UDS3_value": "6b. Submitted B1 EVALUATION FORM - Physical",
                            "UDS4_value": "0d. B1 Evaluation Form: Physical - In-person, remote, or not completed?",
                            "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": "1-3",
                            "reversible": "NA",
                            "note": "NA"
                        }
                    ]
                },
                {
                    "mapping_type": "Response LEVELS",
                    "mappings": [
                        {
                            "UDS3_value": "0",
                            "UDS4_value": "0",
                            "reversible": "Yes",
                            "note": "NA"
                        }
                    ]
                },
                {
                    "mapping_type": "Response LABELS",
                    "mappings": [
                        {
                            "UDS3_value": "No",
                            "UDS4_value": "Not completed",
                            "reversible": "Yes",
                            "note": "NA"
                        }
                    ]
                }
            ]
        },
        {
            "UDS3_variable": "TELCOG & TELILL & TELHOME & TELREFU & TELOTHR",
            "UDS4_variable": "MODEB1",
            "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": "VISITMO__B1 & VISITDAY__B1 & VISITYR__B1",
            "UDS4_variable": "FRMDATEB1",
            "crosswalk_mappings": [
                {
                    "mapping_type": "UDS Form",
                    "mappings": [
                        {
                            "UDS3_value": "FORM_HEADER__B1",
                            "UDS4_value": "B1",
                            "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": "B1 Evaluation Form: Physical__Form date – month & B1 Evaluation Form: Physical__Form date – day & B1 Evaluation Form: Physical__Form date – year",
                            "UDS4_value": "0a. B1 Evaluation Form: Physical - 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(FRMDATEB1, \"/\")",
                            "UDS4_value": "paste(VISITMO__B1, \"/\", VISITDAY_B1, \"/\", VISITYR_B1)",
                            "reversible": "Yes",
                            "note": "Structured mapping presented as R expression"
                        }
                    ]
                }
            ]
        }
    ],
    "High_Complexity": [
        {
            "UDS3_variable": "BPDIASL | BPDIAS",
            "UDS4_variable": "BPDIASL1",
            "crosswalk_mappings": [
                {
                    "mapping_type": "UDS form",
                    "mappings": [
                        {
                            "UDS3_value": "B1a | B1",
                            "UDS4_value": "B1",
                            "reversible": "Yes",
                            "note": "Prioritize B1a BPDIASL over B1 BPDIAS"
                        }
                    ]
                },
                {
                    "mapping_type": "UDS REDCap question number",
                    "mappings": [
                        {
                            "UDS3_value": "1a2 | 3b",
                            "UDS4_value": "5a1b",
                            "reversible": "Yes",
                            "note": "Prioritize B1a BPDIASL over B1 BPDIAS"
                        }
                    ]
                },
                {
                    "mapping_type": "UDS REDCap field label",
                    "mappings": [
                        {
                            "UDS3_value": "Subject blood pressure – left arm, diastolic | 3b. Subject blood pressure at initial reading (sitting), diastolic",
                            "UDS4_value": "5a1b. Participant blood pressure - Left arm: Diastolic Reading 1",
                            "reversible": "Yes",
                            "note": "Prioritize B1a BPDIASL over B1 BPDIAS"
                        }
                    ]
                },
                {
                    "mapping_type": "Data type",
                    "mappings": [
                        {
                            "UDS3_value": "Number with factor | Number with factor",
                            "UDS4_value": "Number with factor",
                            "reversible": "Yes",
                            "note": "Prioritize B1a BPDIASL over B1 BPDIAS"
                        }
                    ]
                },
                {
                    "mapping_type": "Conformity",
                    "mappings": [
                        {
                            "UDS3_value": "30-140, 888 | 30-140, 888",
                            "UDS4_value": "30-140, 888",
                            "reversible": "Yes",
                            "note": "Prioritize B1a BPDIASL over B1 BPDIAS"
                        }
                    ]
                },
                {
                    "mapping_type": "Response LEVELS",
                    "mappings": [
                        {
                            "UDS3_value": "888 | 888",
                            "UDS4_value": 888,
                            "reversible": "Yes",
                            "note": "Prioritize B1a BPDIASL over B1 BPDIAS"
                        }
                    ]
                },
                {
                    "mapping_type": "Response LABELS",
                    "mappings": [
                        {
                            "UDS3_value": "Not assessed | Not assessed",
                            "UDS4_value": "888 = Not assessed",
                            "reversible": "Yes",
                            "note": "Prioritize B1a BPDIASL over B1 BPDIAS"
                        }
                    ]
                }
            ]
        },
        {
            "UDS3_variable": "BPDIASR | BPDIAS",
            "UDS4_variable": "BPDIASR1",
            "crosswalk_mappings": [
                {
                    "mapping_type": "UDS form",
                    "mappings": [
                        {
                            "UDS3_value": "B1a | B1",
                            "UDS4_value": "B1",
                            "reversible": "Yes",
                            "note": "Prioritize B1a BPDIASR over B1 BPDIAS"
                        }
                    ]
                },
                {
                    "mapping_type": "UDS REDCap question number",
                    "mappings": [
                        {
                            "UDS3_value": "1b2 | 3b",
                            "UDS4_value": "5b1b",
                            "reversible": "Yes",
                            "note": "Prioritize B1a BPDIASR over B1 BPDIAS"
                        }
                    ]
                },
                {
                    "mapping_type": "UDS REDCap field label",
                    "mappings": [
                        {
                            "UDS3_value": "Subject blood pressure – right arm, diastolic | 3b. Subject blood pressure at initial reading (sitting), diastolic",
                            "UDS4_value": "5b1b. Participant blood pressure - Right arm: Diastolic Reading 1",
                            "reversible": "Yes",
                            "note": "Prioritize B1a BPDIASR over B1 BPDIAS"
                        }
                    ]
                },
                {
                    "mapping_type": "Data type",
                    "mappings": [
                        {
                            "UDS3_value": "Number with factor | Number with factor",
                            "UDS4_value": "Number with factor",
                            "reversible": "Yes",
                            "note": "Prioritize B1a BPDIASR over B1 BPDIAS"
                        }
                    ]
                },
                {
                    "mapping_type": "Conformity",
                    "mappings": [
                        {
                            "UDS3_value": "30-140, 888 | 30-140, 888",
                            "UDS4_value": "30-140, 888",
                            "reversible": "Yes",
                            "note": "Prioritize B1a BPDIASR over B1 BPDIAS"
                        }
                    ]
                },
                {
                    "mapping_type": "Response LEVELS",
                    "mappings": [
                        {
                            "UDS3_value": "888 | 888",
                            "UDS4_value": 888,
                            "reversible": "Yes",
                            "note": "Prioritize B1a BPDIASR over B1 BPDIAS"
                        }
                    ]
                },
                {
                    "mapping_type": "Response LABELS",
                    "mappings": [
                        {
                            "UDS3_value": "Not assessed | Not assessed",
                            "UDS4_value": "888 = Not assessed",
                            "reversible": "Yes",
                            "note": "Prioritize B1a BPDIASR over B1 BPDIAS"
                        }
                    ]
                }
            ]
        },
        {
            "UDS3_variable": "BPSYSL | BPSYS",
            "UDS4_variable": "BPSYSL1",
            "crosswalk_mappings": [
                {
                    "mapping_type": "UDS form",
                    "mappings": [
                        {
                            "UDS3_value": "B1a | B1",
                            "UDS4_value": "B1",
                            "reversible": "Yes",
                            "note": "Prioritize B1a BPSYSL over B1 BPSYS"
                        }
                    ]
                },
                {
                    "mapping_type": "UDS REDCap question number",
                    "mappings": [
                        {
                            "UDS3_value": "1a1 | 3a",
                            "UDS4_value": "5a1a",
                            "reversible": "Yes",
                            "note": "Prioritize B1a BPSYSL over B1 BPSYS"
                        }
                    ]
                },
                {
                    "mapping_type": "UDS REDCap field label",
                    "mappings": [
                        {
                            "UDS3_value": "Subject blood pressure – left arm, systolic | 3a. Subject blood pressure at initial reading (sitting), systolic",
                            "UDS4_value": "5a1a. Participant blood pressure - Left arm: Systolic Reading 1",
                            "reversible": "Yes",
                            "note": "Prioritize B1a BPSYSL over B1 BPSYS"
                        }
                    ]
                },
                {
                    "mapping_type": "Data type",
                    "mappings": [
                        {
                            "UDS3_value": "Number with factor | Number with factor",
                            "UDS4_value": "Number with factor",
                            "reversible": "Yes",
                            "note": "Prioritize B1a BPSYSL over B1 BPSYS"
                        }
                    ]
                },
                {
                    "mapping_type": "Conformity",
                    "mappings": [
                        {
                            "UDS3_value": "70-230, 888 | 70-230, 888",
                            "UDS4_value": "70-230, 888",
                            "reversible": "Yes",
                            "note": "Prioritize B1a BPSYSL over B1 BPSYS"
                        }
                    ]
                },
                {
                    "mapping_type": "Response LEVELS",
                    "mappings": [
                        {
                            "UDS3_value": "888 | 888",
                            "UDS4_value": 888,
                            "reversible": "Yes",
                            "note": "Prioritize B1a BPSYSL over B1 BPSYS"
                        }
                    ]
                },
                {
                    "mapping_type": "Response LABELS",
                    "mappings": [
                        {
                            "UDS3_value": "Not assessed | Not assessed",
                            "UDS4_value": "888 = Not assessed",
                            "reversible": "Yes",
                            "note": "Prioritize B1a BPSYSL over B1 BPSYS"
                        }
                    ]
                }
            ]
        },
        {
            "UDS3_variable": "BPSYSR | BPSYS",
            "UDS4_variable": "BPSYSR1",
            "crosswalk_mappings": [
                {
                    "mapping_type": "UDS form",
                    "mappings": [
                        {
                            "UDS3_value": "B1a | B1",
                            "UDS4_value": "B1",
                            "reversible": "Yes",
                            "note": "Prioritize B1a BPSYSR over B1 BPSYS"
                        }
                    ]
                },
                {
                    "mapping_type": "UDS REDCap question number",
                    "mappings": [
                        {
                            "UDS3_value": "1b1 | 3a",
                            "UDS4_value": "5b1a",
                            "reversible": "Yes",
                            "note": "Prioritize B1a BPSYSR over B1 BPSYS"
                        }
                    ]
                },
                {
                    "mapping_type": "UDS REDCap field label",
                    "mappings": [
                        {
                            "UDS3_value": "Subject blood pressure – right arm, systolic | 3a. Subject blood pressure at initial reading (sitting), systolic",
                            "UDS4_value": "5b1a. Participant blood pressure - Right arm: Systolic Reading 1",
                            "reversible": "Yes",
                            "note": "Prioritize B1a BPSYSR over B1 BPSYS"
                        }
                    ]
                },
                {
                    "mapping_type": "Data type",
                    "mappings": [
                        {
                            "UDS3_value": "Number with factor | Number with factor",
                            "UDS4_value": "Number with factor",
                            "reversible": "Yes",
                            "note": "Prioritize B1a BPSYSR over B1 BPSYS"
                        }
                    ]
                },
                {
                    "mapping_type": "Conformity",
                    "mappings": [
                        {
                            "UDS3_value": "70-230, 888 | 70-230, 888",
                            "UDS4_value": "70-230, 888",
                            "reversible": "Yes",
                            "note": "Prioritize B1a BPSYSR over B1 BPSYS"
                        }
                    ]
                },
                {
                    "mapping_type": "Response LEVELS",
                    "mappings": [
                        {
                            "UDS3_value": "888 | 888",
                            "UDS4_value": 888,
                            "reversible": "Yes",
                            "note": "Prioritize B1a BPSYSR over B1 BPSYS"
                        }
                    ]
                },
                {
                    "mapping_type": "Response LABELS",
                    "mappings": [
                        {
                            "UDS3_value": "Not assessed | Not assessed",
                            "UDS4_value": "888 = Not assessed",
                            "reversible": "Yes",
                            "note": "Prioritize B1a BPSYSR over B1 BPSYS"
                        }
                    ]
                }
            ]
        },
        {
            "UDS3_variable": "PACKET__B1",
            "UDS4_variable": "PACKET__B1",
            "crosswalk_mappings": [
                {
                    "mapping_type": "UDS Form",
                    "mappings": [
                        {
                            "UDS3_value": "FORM_HEADER__B1",
                            "UDS4_value": "FORM_HEADER__B1",
                            "reversible": "Yes",
                            "note": "UDS3 PACKET__B1 in DED RDD only"
                        }
                    ]
                },
                {
                    "mapping_type": "UDS REDCap question number",
                    "mappings": [
                        {
                            "UDS3_value": "H0",
                            "UDS4_value": "H4",
                            "reversible": "Yes",
                            "note": "UDS3 PACKET__B1 in DED RDD only; Imputed position numbers"
                        }
                    ]
                },
                {
                    "mapping_type": "UDS REDCap field label",
                    "mappings": [
                        {
                            "UDS3_value": "Packet code__B1",
                            "UDS4_value": "Packet Code__B1",
                            "reversible": "Yes",
                            "note": "UDS3 PACKET__B1 in DED RDD only"
                        }
                    ]
                },
                {
                    "mapping_type": "Data type",
                    "mappings": [
                        {
                            "UDS3_value": "Character",
                            "UDS4_value": "Character factor",
                            "reversible": "Yes",
                            "note": "UDS3 PACKET__B1 in DED RDD only"
                        }
                    ]
                },
                {
                    "mapping_type": "Conformity",
                    "mappings": [
                        {
                            "UDS3_value": "I, F, TI, T",
                            "UDS4_value": "I, F, T",
                            "reversible": "NA",
                            "note": "UDS3 PACKET__B1 in DED RDD only"
                        }
                    ]
                },
                {
                    "mapping_type": "Response LEVELS",
                    "mappings": [
                        {
                            "UDS3_value": "I",
                            "UDS4_value": "I",
                            "reversible": "Yes",
                            "note": "UDS3 PACKET__B1 in DED RDD only"
                        }
                    ]
                },
                {
                    "mapping_type": "Response LEVELS",
                    "mappings": [
                        {
                            "UDS3_value": "F",
                            "UDS4_value": "F",
                            "reversible": "Yes",
                            "note": "UDS3 PACKET__B1 in DED RDD only"
                        }
                    ]
                },
                {
                    "mapping_type": "Response LEVELS",
                    "mappings": [
                        {
                            "UDS3_value": "T",
                            "UDS4_value": "T",
                            "reversible": "Yes",
                            "note": "UDS3 PACKET__B1 in DED RDD only"
                        }
                    ]
                },
                {
                    "mapping_type": "Response LABELS",
                    "mappings": [
                        {
                            "UDS3_value": "Initial Visit Packet",
                            "UDS4_value": "Initial Visit Packet",
                            "reversible": "Yes",
                            "note": "UDS3 PACKET__B1 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__B1 in DED RDD only"
                        }
                    ]
                },
                {
                    "mapping_type": "Response LABELS",
                    "mappings": [
                        {
                            "UDS3_value": "Telephone Visit Packet",
                            "UDS4_value": "Telephone Visit Packet",
                            "reversible": "Yes",
                            "note": "UDS3 PACKET__B1 in DED RDD only"
                        }
                    ]
                }
            ]
        }
    ]
}