{
    "Direct_Mappings": [
        {
            "UDS3_variable": "PACKET__B8",
            "UDS4_variable": "PACKET__B8",
            "crosswalk_remappings": [
                {
                    "mapping_type": "UDS Form",
                    "mappings": [
                        {
                            "UDS3_value": "FORM_HEADER__B8",
                            "UDS4_value": "FORM_HEADER__B8",
                            "reversible": "Yes",
                            "note": "UDS3 PACKET__B8 in DED RDD only"
                        }
                    ]
                },
                {
                    "mapping_type": "UDS REDCap question number",
                    "mappings": [
                        {
                            "UDS3_value": "H0",
                            "UDS4_value": "H4",
                            "reversible": "Yes",
                            "note": "UDS3 PACKET__B8 in DED RDD only; Imputed position numbers"
                        }
                    ]
                },
                {
                    "mapping_type": "UDS REDCap field label",
                    "mappings": [
                        {
                            "UDS3_value": "Packet code__B8",
                            "UDS4_value": "Packet Code__B8",
                            "reversible": "Yes",
                            "note": "UDS3 PACKET__B8 in DED RDD only"
                        }
                    ]
                },
                {
                    "mapping_type": "Data type",
                    "mappings": [
                        {
                            "UDS3_value": "Character",
                            "UDS4_value": "Character factor",
                            "reversible": "Yes",
                            "note": "UDS3 PACKET__B8 in DED RDD only"
                        }
                    ]
                },
                {
                    "mapping_type": "Conformity",
                    "mappings": [
                        {
                            "UDS3_value": "I, F, TI, T",
                            "UDS4_value": "I, F, T",
                            "reversible": "NA",
                            "note": "UDS3 PACKET__B8 in DED RDD only"
                        }
                    ]
                },
                {
                    "mapping_type": "Response LEVELS",
                    "mappings": [
                        {
                            "UDS3_value": "I",
                            "UDS4_value": "I",
                            "reversible": "Yes",
                            "note": "UDS3 PACKET__B8 in DED RDD only"
                        }
                    ]
                },
                {
                    "mapping_type": "Response LEVELS",
                    "mappings": [
                        {
                            "UDS3_value": "F",
                            "UDS4_value": "F",
                            "reversible": "Yes",
                            "note": "UDS3 PACKET__B8 in DED RDD only"
                        }
                    ]
                },
                {
                    "mapping_type": "Response LEVELS",
                    "mappings": [
                        {
                            "UDS3_value": "T",
                            "UDS4_value": "T",
                            "reversible": "Yes",
                            "note": "UDS3 PACKET__B8 in DED RDD only"
                        }
                    ]
                },
                {
                    "mapping_type": "Response LABELS",
                    "mappings": [
                        {
                            "UDS3_value": "Initial Visit Packet",
                            "UDS4_value": "Initial Visit Packet",
                            "reversible": "Yes",
                            "note": "UDS3 PACKET__B8 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__B8 in DED RDD only"
                        }
                    ]
                },
                {
                    "mapping_type": "Response LABELS",
                    "mappings": [
                        {
                            "UDS3_value": "Telephone Visit Packet",
                            "UDS4_value": "Telephone Visit Packet",
                            "reversible": "Yes",
                            "note": "UDS3 PACKET__B8 in DED RDD only"
                        }
                    ]
                }
            ]
        },
        {
            "UDS3_variable": "PTID__B8",
            "UDS4_variable": "PTID__B8",
            "crosswalk_remappings": [
                {
                    "mapping_type": "UDS Form",
                    "mappings": [
                        {
                            "UDS3_value": "FORM_HEADER__B8",
                            "UDS4_value": "FORM_HEADER__B8",
                            "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__B8",
                            "UDS4_value": "PTID__B8",
                            "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__B8",
            "UDS4_variable": "VISITNUM__B8",
            "crosswalk_remappings": [
                {
                    "mapping_type": "UDS Form",
                    "mappings": [
                        {
                            "UDS3_value": "FORM_HEADER__B8",
                            "UDS4_value": "FORM_HEADER__B8",
                            "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 #__B8",
                            "UDS4_value": "ADC Visit ID__B8",
                            "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"
                        }
                    ]
                }
            ]
        }
    ],
    "Conditional_Consistency": [
        {
            "UDS3_variable": "ADCID__B8",
            "UDS4_variable": "ADCID__B8",
            "crosswalk_mappings": [
                {
                    "mapping_type": "UDS Form",
                    "mappings": [
                        {
                            "UDS3_value": "FORM_HEADER__B8",
                            "UDS4_value": "FORM_HEADER__B8",
                            "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__B8",
                            "UDS4_value": "ADC name__B8",
                            "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": "FORMVER__B8",
            "UDS4_variable": "FORMVER__B8",
            "crosswalk_mappings": [
                {
                    "mapping_type": "UDS Form",
                    "mappings": [
                        {
                            "UDS3_value": "FORM_HEADER__B8",
                            "UDS4_value": "FORM_HEADER__B8",
                            "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__B8",
                            "UDS4_value": "Form version number__B8",
                            "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__B8",
            "UDS4_variable": "INITIALSB8",
            "crosswalk_mappings": [
                {
                    "mapping_type": "UDS Form",
                    "mappings": [
                        {
                            "UDS3_value": "FORM_HEADER__B8",
                            "UDS4_value": "B8",
                            "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)__B8",
                            "UDS4_value": "0b. B8 Neurological Examination Findings - 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": "LANGB8",
            "UDS4_variable": "LANGB8",
            "crosswalk_mappings": [
                {
                    "mapping_type": "UDS Form",
                    "mappings": [
                        {
                            "UDS3_value": "Z1X",
                            "UDS4_value": "B8",
                            "reversible": "Yes",
                            "note": "NA"
                        }
                    ]
                },
                {
                    "mapping_type": "UDS REDCap question number",
                    "mappings": [
                        {
                            "UDS3_value": "11a",
                            "UDS4_value": "0c",
                            "reversible": "Yes",
                            "note": "NA"
                        }
                    ]
                },
                {
                    "mapping_type": "UDS REDCap field label",
                    "mappings": [
                        {
                            "UDS3_value": "11a. Language B8 Neurological Examination Findings",
                            "UDS4_value": "0c. B8 Neurological Examination Findings - 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": "NORMEXAM",
            "UDS4_variable": "NORMNREXAM",
            "crosswalk_mappings": [
                {
                    "mapping_type": "UDS Form",
                    "mappings": [
                        {
                            "UDS3_value": "B8",
                            "UDS4_value": "B8",
                            "reversible": "NA",
                            "note": "NA"
                        }
                    ]
                },
                {
                    "mapping_type": "UDS REDCap question number",
                    "mappings": [
                        {
                            "UDS3_value": "1",
                            "UDS4_value": "2",
                            "reversible": "NA",
                            "note": "NA"
                        }
                    ]
                },
                {
                    "mapping_type": "UDS REDCap field label",
                    "mappings": [
                        {
                            "UDS3_value": "1. Were there abnormal neurological exam findings?",
                            "UDS4_value": "<div class=\"rich-text-field-label\"><p><span style=\"font-weight: normal;\">2. Were there abnormal neurological exam findings?</span></p></div>",
                            "reversible": "NA",
                            "note": "NA"
                        }
                    ]
                },
                {
                    "mapping_type": "Data type",
                    "mappings": [
                        {
                            "UDS3_value": "Numeric factor",
                            "UDS4_value": "Numeric factor",
                            "reversible": "NA",
                            "note": "NA"
                        }
                    ]
                },
                {
                    "mapping_type": "Conformity",
                    "mappings": [
                        {
                            "UDS3_value": "0-2",
                            "UDS4_value": "0-1",
                            "reversible": "NA",
                            "note": "NA"
                        }
                    ]
                },
                {
                    "mapping_type": "Response LEVELS",
                    "mappings": [
                        {
                            "UDS3_value": 0,
                            "UDS4_value": 0,
                            "reversible": "NA",
                            "note": "NA"
                        }
                    ]
                },
                {
                    "mapping_type": "Response LEVELS",
                    "mappings": [
                        {
                            "UDS3_value": "1",
                            "UDS4_value": "1",
                            "reversible": "NA",
                            "note": "NA"
                        }
                    ]
                },
                {
                    "mapping_type": "Response LEVELS",
                    "mappings": [
                        {
                            "UDS3_value": "2",
                            "UDS4_value": "1",
                            "reversible": "NA",
                            "note": "ADRC should determine appropriateness of mapping 2 onto 1"
                        }
                    ]
                },
                {
                    "mapping_type": "Response LABELS",
                    "mappings": [
                        {
                            "UDS3_value": "0 No abnormal findings (END FORM HERE)",
                            "UDS4_value": "No abnormal findings",
                            "reversible": "NA",
                            "note": "NA"
                        }
                    ]
                },
                {
                    "mapping_type": "Response LABELS",
                    "mappings": [
                        {
                            "UDS3_value": "1 Yes - abnormal findings were consistent with syndromes listed in Questions 2-8",
                            "UDS4_value": "Yes",
                            "reversible": "NA",
                            "note": "NA"
                        }
                    ]
                },
                {
                    "mapping_type": "Response LABELS",
                    "mappings": [
                        {
                            "UDS3_value": "2 Yes - abnormal findings were  consistent with age-associated changes or irrelevant to dementing disorders (e.g., Bell's palsy) (SKIP TO QUESTION 8)",
                            "UDS4_value": "Yes",
                            "reversible": "NA",
                            "note": "ADRC should determine appropriateness of mapping \"2 Yes - abnormal findings were  consistent with age-associated changes or irrelevant to dementing disorders (e.g., Bell's palsy) (SKIP TO QUESTION 8)\" onto \"Yes\""
                        }
                    ]
                }
            ]
        },
        {
            "UDS3_variable": "PARKSIGN",
            "UDS4_variable": "PARKSIGN",
            "crosswalk_mappings": [
                {
                    "mapping_type": "UDS Form",
                    "mappings": [
                        {
                            "UDS3_value": "B8",
                            "UDS4_value": "B8",
                            "reversible": "NA",
                            "note": "NA"
                        }
                    ]
                },
                {
                    "mapping_type": "UDS REDCap question number",
                    "mappings": [
                        {
                            "UDS3_value": "2",
                            "UDS4_value": "3",
                            "reversible": "NA",
                            "note": "NA"
                        }
                    ]
                },
                {
                    "mapping_type": "UDS REDCap field label",
                    "mappings": [
                        {
                            "UDS3_value": "2. Parkinsonian signs<br><br><i>Findings not marked Yes or Not assessed will default to No in the NACC database.</i>",
                            "UDS4_value": "<div class=\"rich-text-field-label\"><p><span style=\"font-weight: normal;\">3. Parkinsonian Signs</span></p></div>",
                            "reversible": "NA",
                            "note": "NA"
                        }
                    ]
                },
                {
                    "mapping_type": "Data type",
                    "mappings": [
                        {
                            "UDS3_value": "Numeric factor",
                            "UDS4_value": "Numeric factor",
                            "reversible": "NA",
                            "note": "NA"
                        }
                    ]
                },
                {
                    "mapping_type": "Conformity",
                    "mappings": [
                        {
                            "UDS3_value": "0-1",
                            "UDS4_value": "0-1, 8",
                            "reversible": "NA",
                            "note": "UDS4 value of \"Not assessed\" (8) not explicitly mappable from UDS3"
                        }
                    ]
                },
                {
                    "mapping_type": "Response LEVELS",
                    "mappings": [
                        {
                            "UDS3_value": 0,
                            "UDS4_value": 0,
                            "reversible": "NA",
                            "note": "NA"
                        }
                    ]
                },
                {
                    "mapping_type": "Response LEVELS",
                    "mappings": [
                        {
                            "UDS3_value": "1",
                            "UDS4_value": "1",
                            "reversible": "NA",
                            "note": "NA"
                        }
                    ]
                },
                {
                    "mapping_type": "Response LABELS",
                    "mappings": [
                        {
                            "UDS3_value": "0 No (SKIP TO QUESTION 3)",
                            "UDS4_value": "No abnormal signs in this section are present",
                            "reversible": "NA",
                            "note": "NA"
                        }
                    ]
                },
                {
                    "mapping_type": "Response LABELS",
                    "mappings": [
                        {
                            "UDS3_value": "1 Yes",
                            "UDS4_value": "Yes (<b>IF YES</b>, consider completing additional measures as described in Section 2D)",
                            "reversible": "NA",
                            "note": "NA"
                        }
                    ]
                }
            ]
        },
        {
            "UDS3_variable": "POSTINST",
            "UDS4_variable": "POSTINST",
            "crosswalk_mappings": [
                {
                    "mapping_type": "UDS Form",
                    "mappings": [
                        {
                            "UDS3_value": "B8",
                            "UDS4_value": "B8",
                            "reversible": "NA",
                            "note": "NA"
                        }
                    ]
                },
                {
                    "mapping_type": "UDS REDCap question number",
                    "mappings": [
                        {
                            "UDS3_value": "2f",
                            "UDS4_value": "3l",
                            "reversible": "NA",
                            "note": "NA"
                        }
                    ]
                },
                {
                    "mapping_type": "UDS REDCap field label",
                    "mappings": [
                        {
                            "UDS3_value": "2f. Postural instability",
                            "UDS4_value": "3l. Postural instability",
                            "reversible": "NA",
                            "note": "NA"
                        }
                    ]
                },
                {
                    "mapping_type": "Data type",
                    "mappings": [
                        {
                            "UDS3_value": "Numeric factor",
                            "UDS4_value": "Numeric factor",
                            "reversible": "NA",
                            "note": "NA"
                        }
                    ]
                },
                {
                    "mapping_type": "Conformity",
                    "mappings": [
                        {
                            "UDS3_value": "1, 8",
                            "UDS4_value": "0-1, 8",
                            "reversible": "NA",
                            "note": "NA"
                        }
                    ]
                },
                {
                    "mapping_type": "Response LEVELS",
                    "mappings": [
                        {
                            "UDS3_value": null,
                            "UDS4_value": 0,
                            "reversible": "NA",
                            "note": "Map to UDS4 POSTINST to 0 when UDS3 POSTINST is blank, missing, or NA"
                        }
                    ]
                },
                {
                    "mapping_type": "Response LEVELS",
                    "mappings": [
                        {
                            "UDS3_value": 1,
                            "UDS4_value": 1,
                            "reversible": "NA",
                            "note": "NA"
                        }
                    ]
                },
                {
                    "mapping_type": "Response LEVELS",
                    "mappings": [
                        {
                            "UDS3_value": "8",
                            "UDS4_value": "8",
                            "reversible": "NA",
                            "note": "NA"
                        }
                    ]
                },
                {
                    "mapping_type": "Response LABELS",
                    "mappings": [
                        {
                            "UDS3_value": "<BLANK>",
                            "UDS4_value": "Absent",
                            "reversible": "NA",
                            "note": "Map to UDS4 POSTINST to No when UDS3 POSTINST is blank, missing, or NA"
                        }
                    ]
                },
                {
                    "mapping_type": "Response LABELS",
                    "mappings": [
                        {
                            "UDS3_value": "1 Yes",
                            "UDS4_value": "Present",
                            "reversible": "NA",
                            "note": "NA"
                        }
                    ]
                },
                {
                    "mapping_type": "Response LABELS",
                    "mappings": [
                        {
                            "UDS3_value": "8 Not assessed",
                            "UDS4_value": "Not Assessed",
                            "reversible": "NA",
                            "note": "NA"
                        }
                    ]
                }
            ]
        }
    ],
    "Structured_Transformations": [
        {
            "UDS3_variable": "ALIENLML | ALIENLMR",
            "UDS4_variable": "ALIENLIMB",
            "crosswalk_mappings": [
                {
                    "mapping_type": "UDS Form",
                    "mappings": [
                        {
                            "UDS3_value": "B8",
                            "UDS4_value": "B8",
                            "reversible": "NA",
                            "note": "ADRC must decide appropriate merging and mapping"
                        }
                    ]
                },
                {
                    "mapping_type": "UDS REDCap question number",
                    "mappings": [
                        {
                            "UDS3_value": "5i1 & 5i2",
                            "UDS4_value": "4i",
                            "reversible": "NA",
                            "note": "NA"
                        }
                    ]
                },
                {
                    "mapping_type": "UDS REDCap field label",
                    "mappings": [
                        {
                            "UDS3_value": "5i1. Alien limb consistent with CBS__Left | 52i. Alien limb consistent with CBS__Right",
                            "UDS4_value": "4i. Alien limb phenomenon",
                            "reversible": "NA",
                            "note": "NA"
                        }
                    ]
                },
                {
                    "mapping_type": "Data type",
                    "mappings": [
                        {
                            "UDS3_value": "Numeric factor & Numeric factor",
                            "UDS4_value": "Numeric factor",
                            "reversible": "NA",
                            "note": "NA"
                        }
                    ]
                },
                {
                    "mapping_type": "Conformity",
                    "mappings": [
                        {
                            "UDS3_value": "1, 8 & 1,8",
                            "UDS4_value": "0-1, 8",
                            "reversible": "NA",
                            "note": "NA"
                        }
                    ]
                },
                {
                    "mapping_type": "Response LEVELS",
                    "mappings": [
                        {
                            "UDS3_value": "NA & NA",
                            "UDS4_value": 0,
                            "reversible": "NA",
                            "note": "ALIENLIMB maps to 0 ONLY if BOTH ALIENLML is blank/NA and ALIENLMR is blank/NA"
                        }
                    ]
                },
                {
                    "mapping_type": "Response LEVELS",
                    "mappings": [
                        {
                            "UDS3_value": "1 | 1",
                            "UDS4_value": 1,
                            "reversible": "NA",
                            "note": "ALIENLIMB maps to 1 if ALIENLML==1 OR ALIENLMR==1"
                        }
                    ]
                },
                {
                    "mapping_type": "Response LEVELS",
                    "mappings": [
                        {
                            "UDS3_value": "8 & 8",
                            "UDS4_value": "8",
                            "reversible": "NA",
                            "note": "ALIENLIMB only maps to 8 when both ALIENLML==8 AND ALIENLMR==8"
                        }
                    ]
                },
                {
                    "mapping_type": "Response LABELS",
                    "mappings": [
                        {
                            "UDS3_value": "<BLANK> & <BLANK>",
                            "UDS4_value": "Absent",
                            "reversible": "NA",
                            "note": "ALIENLIMB maps to 'Absent' ONLY if both ALIENLML=='<BLANK>' AND ALIENLMR=='<BLANK>'"
                        }
                    ]
                },
                {
                    "mapping_type": "Response LABELS",
                    "mappings": [
                        {
                            "UDS3_value": "1 Yes | 1 Yes",
                            "UDS4_value": "Present",
                            "reversible": "NA",
                            "note": "ALIENLIMB maps to 'Present' if ALIENLML=='1 Yes' OR ALIENLMR=='1 Yes'"
                        }
                    ]
                },
                {
                    "mapping_type": "Response LABELS",
                    "mappings": [
                        {
                            "UDS3_value": "8 Not assessed & 8 Not assessed",
                            "UDS4_value": "Not Assessed",
                            "reversible": "NA",
                            "note": "ALIENLIMB only maps to 'Not Assessed' when both ALIENLML=='8 Not assessed' AND ALIENLMR=='8 Not assessed'"
                        }
                    ]
                },
                {
                    "mapping_type": "Structured mapping",
                    "mappings": [
                        {
                            "UDS3_value": "IF(ALIENLML==1 || ALIENLMR==1) {ALIENLIMB=1} ELSEIF(ALIENLML==8 && ALIENLMR==8) {ALIENLIMB=8} ELSE {ALIENLIMB=0}",
                            "UDS4_value": "IF(ALIENLML==1 || ALIENLMR==1) {ALIENLIMB=1} ELSEIF(ALIENLML==8 && ALIENLMR==8) {ALIENLIMB=8} ELSE {ALIENLIMB=0}",
                            "reversible": "NA",
                            "note": "ADRC must decide appropriate merging and mapping"
                        }
                    ]
                }
            ]
        },
        {
            "UDS3_variable": "SOMATL | SOMATR",
            "UDS4_variable": "UNISOMATO",
            "crosswalk_mappings": [
                {
                    "mapping_type": "UDS Form",
                    "mappings": [
                        {
                            "UDS3_value": "B8",
                            "UDS4_value": "B8",
                            "reversible": "NA",
                            "note": "NA"
                        }
                    ]
                },
                {
                    "mapping_type": "UDS REDCap question number",
                    "mappings": [
                        {
                            "UDS3_value": "3e1 & 3e2",
                            "UDS4_value": "4g",
                            "reversible": "NA",
                            "note": "NA"
                        }
                    ]
                },
                {
                    "mapping_type": "UDS REDCap field label",
                    "mappings": [
                        {
                            "UDS3_value": "3e1. Somatosensory loss__Left | 3e2. Somatosensory loss__Right",
                            "UDS4_value": "4g. Unilateral Somatosensory loss <span style=\"font-weight: normal;\">(<i>localized to the brain; disregard sensory changes localized to the spinal cord or peripheral nerves</i>)</span>",
                            "reversible": "NA",
                            "note": "NA"
                        }
                    ]
                },
                {
                    "mapping_type": "Data type",
                    "mappings": [
                        {
                            "UDS3_value": "Numeric factor & Numeric factor",
                            "UDS4_value": "Numeric factor",
                            "reversible": "NA",
                            "note": "NA"
                        }
                    ]
                },
                {
                    "mapping_type": "Conformity",
                    "mappings": [
                        {
                            "UDS3_value": "1, 8 & 1,8",
                            "UDS4_value": "0-1, 8",
                            "reversible": "NA",
                            "note": "NA"
                        }
                    ]
                },
                {
                    "mapping_type": "Response LEVELS",
                    "mappings": [
                        {
                            "UDS3_value": "NA & NA",
                            "UDS4_value": 0,
                            "reversible": "NA",
                            "note": "UNISOMATO maps to 0 ONLY if BOTH SOMATL is blank/NA and SOMATR is blank/NA"
                        }
                    ]
                },
                {
                    "mapping_type": "Response LEVELS",
                    "mappings": [
                        {
                            "UDS3_value": "1 | 1",
                            "UDS4_value": 1,
                            "reversible": "NA",
                            "note": "UNISOMATO maps to 1 if SOMATL==1 OR SOMATR==1"
                        }
                    ]
                },
                {
                    "mapping_type": "Response LEVELS",
                    "mappings": [
                        {
                            "UDS3_value": "8 & 8",
                            "UDS4_value": "8",
                            "reversible": "NA",
                            "note": "UNISOMATO only maps to 8 when both SOMATL==8 AND SOMATR==8"
                        }
                    ]
                },
                {
                    "mapping_type": "Response LEVELS",
                    "mappings": [
                        {
                            "UDS3_value": "<BLANK> & <BLANK>",
                            "UDS4_value": "Absent",
                            "reversible": "NA",
                            "note": "UNISOMATO maps to 'Absent' ONLY if both SOMATL=='<BLANK>' OR SOMATR=='<BLANK>'"
                        }
                    ]
                },
                {
                    "mapping_type": "Response LABELS",
                    "mappings": [
                        {
                            "UDS3_value": "1 Yes | 1 Yes",
                            "UDS4_value": "Present",
                            "reversible": "NA",
                            "note": "UNISOMATO maps to 'Present' if SOMATL=='1 Yes' OR SOMATR=='1 Yes'"
                        }
                    ]
                },
                {
                    "mapping_type": "Response LABELS",
                    "mappings": [
                        {
                            "UDS3_value": "8 Not assessed & 8 Not assessed",
                            "UDS4_value": "Not Assessed",
                            "reversible": "NA",
                            "note": "UNISOMATO only maps to 'Not Assessed' when both SOMATL=='8 Not assessed' AND SOMATR=='8 Not assessed'"
                        }
                    ]
                },
                {
                    "mapping_type": "Structured mapping",
                    "mappings": [
                        {
                            "UDS3_value": "IF(SOMATL==1 || SOMATR==1) {UNISOMATO=1} ELSEIF(SOMATL==8 && SOMATR==8) {UNISOMATO=8} ELSE {UNISOMATO=0}",
                            "UDS4_value": "IF(SOMATL==1 || SOMATR==1) {UNISOMATO=1} ELSEIF(SOMATL==8 && SOMATR==8) {UNISOMATO=8} ELSE {UNISOMATO=0}",
                            "reversible": "NA",
                            "note": "ADRC must decide appropriate merging and mapping"
                        }
                    ]
                }
            ]
        },
        {
            "UDS3_variable": "TELCOG",
            "UDS4_variable": "RMREASB8",
            "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": "MODEB8",
            "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": "MODEB8",
            "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": "RMREASB8",
            "crosswalk_mappings": [
                {
                    "mapping_type": "UDS Form",
                    "mappings": [
                        {
                            "UDS3_value": "T1",
                            "UDS4_value": "B8",
                            "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 'B8 Neurological Examination Findings'  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": "RMREASB8",
            "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": "RMREASB8",
            "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": "RMREASB8",
            "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": "RMREASB8",
            "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__B8 & VISITDAY__B8 & VISITYR__B8",
            "UDS4_variable": "FRMDATEB8",
            "crosswalk_mappings": [
                {
                    "mapping_type": "UDS Form",
                    "mappings": [
                        {
                            "UDS3_value": "FORM_HEADER__B8",
                            "UDS4_value": "B8",
                            "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": "B8 Neurological Examination Findings__Form date – month & B8 Neurological Examination Findings__Form date – day & B8 Neurological Examination Findings__Form date – year",
                            "UDS4_value": "0a. B8 Neurological Examination Findings - 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(FRMDATEB8, \"/\")",
                            "UDS4_value": "paste(VISITMO__B8, \"/\", VISITDAY_B8, \"/\", VISITYR_B8)",
                            "reversible": "Yes",
                            "note": "Structured mapping presented as R expression"
                        }
                    ]
                }
            ]
        }
    ],
    "High_Complexity": [
        {
            "UDS3_variable": "APRAXL | APRAXR",
            "UDS4_variable": "LIMBAPRAX",
            "crosswalk_mappings": [
                {
                    "mapping_type": "UDS Form",
                    "mappings": [
                        {
                            "UDS3_value": "B8",
                            "UDS4_value": "B8",
                            "reversible": "NA",
                            "note": "NA"
                        }
                    ]
                },
                {
                    "mapping_type": "UDS REDCap question number",
                    "mappings": [
                        {
                            "UDS3_value": "5f1 & 5f2",
                            "UDS4_value": "4a",
                            "reversible": "NA",
                            "note": "NA"
                        }
                    ]
                },
                {
                    "mapping_type": "UDS REDCap field label",
                    "mappings": [
                        {
                            "UDS3_value": "5f1. Apraxia consistent with CBS__Left | 5f2. Apraxia consistent with CBS__Right",
                            "UDS4_value": "4a. Limb apraxia",
                            "reversible": "NA",
                            "note": "NA"
                        }
                    ]
                },
                {
                    "mapping_type": "Data type",
                    "mappings": [
                        {
                            "UDS3_value": "Numeric factor & Numeric factor",
                            "UDS4_value": "Numeric factor",
                            "reversible": "NA",
                            "note": "NA"
                        }
                    ]
                },
                {
                    "mapping_type": "Conformity",
                    "mappings": [
                        {
                            "UDS3_value": "1, 8 & 1,8",
                            "UDS4_value": "0-3, 8",
                            "reversible": "NA",
                            "note": "NA"
                        }
                    ]
                },
                {
                    "mapping_type": "Response LEVELS",
                    "mappings": [
                        {
                            "UDS3_value": "NA & NA",
                            "UDS4_value": 0,
                            "reversible": "NA",
                            "note": "LIMBAPRAX maps to 0 ONLY if BOTH APRAXL is blank/NA and APRAXR is blank/NA"
                        }
                    ]
                },
                {
                    "mapping_type": "Response LEVELS",
                    "mappings": [
                        {
                            "UDS3_value": "1 | 1",
                            "UDS4_value": "1",
                            "reversible": "NA",
                            "note": "LIMBAPRAX maps to 1 ONLY if APRAXL==1 XOR APRAXR==1"
                        }
                    ]
                },
                {
                    "mapping_type": "Response LEVELS",
                    "mappings": [
                        {
                            "UDS3_value": "8 & 8",
                            "UDS4_value": "8",
                            "reversible": "NA",
                            "note": "LIMBAPRAX only maps to 8 when both APRAXL==8 AND APRAXR==8"
                        }
                    ]
                },
                {
                    "mapping_type": "Response LABELS",
                    "mappings": [
                        {
                            "UDS3_value": "<BLANK> & <BLANK>",
                            "UDS4_value": "Absent",
                            "reversible": "NA",
                            "note": "LIMBAPRAX maps to 'Absent' ONLY if both APRAXL=='<BLANK>' OR APRAXR=='<BLANK>'"
                        }
                    ]
                },
                {
                    "mapping_type": "Response LABELS",
                    "mappings": [
                        {
                            "UDS3_value": "1 Yes | 1 Yes",
                            "UDS4_value": "Focal or Unilateral",
                            "reversible": "NA",
                            "note": "LIMBAPRAX maps to 'Focal or Unilateral' ONLY if APRAXL=='1 Yes' XOR APRAXR=='1 Yes'"
                        }
                    ]
                },
                {
                    "mapping_type": "Response LABELS",
                    "mappings": [
                        {
                            "UDS3_value": "1 Yes & 1 Yes",
                            "UDS4_value": "Bilateral & Largely Symmetric__Bilateral & Largely Asymmetric",
                            "reversible": "NA",
                            "note": "ADRC must decide if bilateral mapping is to 'Bilateral & Largely Symmetric' or 'Bilateral & Largely Asymmetric'; LIMBAPRAX only maps to 'Bilateral & Largely Symmetric' or 'Bilateral & Largely Asymmetric' when both APRAXL=='1 Yes' AND APRAXR=='1 Yes'"
                        }
                    ]
                },
                {
                    "mapping_type": "Response LABELS",
                    "mappings": [
                        {
                            "UDS3_value": "8 Not assessed & 8 Not assessed",
                            "UDS4_value": "Not Assessed",
                            "reversible": "NA",
                            "note": "LIMBAPRAX only maps to 'Not Assessed' when both APRAXL=='8 Not assessed' AND APRAXR=='8 Not assessed'"
                        }
                    ]
                }
            ]
        },
        {
            "UDS3_variable": "ATAXL | ATAXR",
            "UDS4_variable": "LIMBATAX",
            "crosswalk_mappings": [
                {
                    "mapping_type": "UDS Form",
                    "mappings": [
                        {
                            "UDS3_value": "B8",
                            "UDS4_value": "B8",
                            "reversible": "NA",
                            "note": "NA"
                        }
                    ]
                },
                {
                    "mapping_type": "UDS REDCap question number",
                    "mappings": [
                        {
                            "UDS3_value": "5h1 & 5h2",
                            "UDS4_value": "4e",
                            "reversible": "NA",
                            "note": "NA"
                        }
                    ]
                },
                {
                    "mapping_type": "UDS REDCap field label",
                    "mappings": [
                        {
                            "UDS3_value": "5h1. Ataxia consistent with CBS__Left | 5h2. Ataxia consistent with CBS__Right",
                            "UDS4_value": "4e. Limb ataxia",
                            "reversible": "NA",
                            "note": "NA"
                        }
                    ]
                },
                {
                    "mapping_type": "Data type",
                    "mappings": [
                        {
                            "UDS3_value": "Numeric factor & Numeric factor",
                            "UDS4_value": "Numeric factor",
                            "reversible": "NA",
                            "note": "NA"
                        }
                    ]
                },
                {
                    "mapping_type": "Conformity",
                    "mappings": [
                        {
                            "UDS3_value": "1, 8 & 1,8",
                            "UDS4_value": "0-3, 8",
                            "reversible": "NA",
                            "note": "NA"
                        }
                    ]
                },
                {
                    "mapping_type": "Response LEVELS",
                    "mappings": [
                        {
                            "UDS3_value": "NA & NA",
                            "UDS4_value": 0,
                            "reversible": "NA",
                            "note": "LIMBATAX maps to 0 ONLY if BOTH ATAXL is blank/NA and ATAXR is blank/NA"
                        }
                    ]
                },
                {
                    "mapping_type": "Response LEVELS",
                    "mappings": [
                        {
                            "UDS3_value": "1 | 1",
                            "UDS4_value": "1",
                            "reversible": "NA",
                            "note": "LIMBATAX maps to 1 ONLY if ATAXL==1 XOR ATAXR==1"
                        }
                    ]
                },
                {
                    "mapping_type": "Response LEVELS",
                    "mappings": [
                        {
                            "UDS3_value": "8 & 8",
                            "UDS4_value": "8",
                            "reversible": "NA",
                            "note": "LIMBATAX only maps to 8 when both ATAXL==8 AND ATAXR==8"
                        }
                    ]
                },
                {
                    "mapping_type": "Response LABELS",
                    "mappings": [
                        {
                            "UDS3_value": "<BLANK> & <BLANK>",
                            "UDS4_value": "Absent",
                            "reversible": "NA",
                            "note": "LIMBATAX maps to 'Absent' ONLY if both ATAXL=='<BLANK>' OR ATAXR=='<BLANK>'"
                        }
                    ]
                },
                {
                    "mapping_type": "Response LABELS",
                    "mappings": [
                        {
                            "UDS3_value": "1 Yes | 1 Yes",
                            "UDS4_value": "Focal or Unilateral",
                            "reversible": "NA",
                            "note": "LIMBATAX maps to 'Focal or Unilateral' ONLY if ATAXL=='1 Yes' XOR ATAXR=='1 Yes'"
                        }
                    ]
                },
                {
                    "mapping_type": "Response LABELS",
                    "mappings": [
                        {
                            "UDS3_value": "8 Not assessed & 8 Not assessed",
                            "UDS4_value": "Not Assessed",
                            "reversible": "NA",
                            "note": "LIMBATAX only maps to 'Not Assessed' when both ATAXL=='8 Not assessed' AND ATAXR=='8 Not assessed'"
                        }
                    ]
                }
            ]
        },
        {
            "UDS3_variable": "CORTVISL | CORTVISR",
            "UDS4_variable": "VFIELDCUT",
            "crosswalk_mappings": [
                {
                    "mapping_type": "UDS Form",
                    "mappings": [
                        {
                            "UDS3_value": "B8",
                            "UDS4_value": "B8",
                            "reversible": "NA",
                            "note": "NA"
                        }
                    ]
                },
                {
                    "mapping_type": "UDS REDCap question number",
                    "mappings": [
                        {
                            "UDS3_value": "3d1 & 3d2",
                            "UDS4_value": "4d",
                            "reversible": "NA",
                            "note": "NA"
                        }
                    ]
                },
                {
                    "mapping_type": "UDS REDCap field label",
                    "mappings": [
                        {
                            "UDS3_value": "3d1. Cortical visual field loss__Left | 3d2. Cortical visual field loss__Right",
                            "UDS4_value": "4d. Visual field cut",
                            "reversible": "NA",
                            "note": "NA"
                        }
                    ]
                },
                {
                    "mapping_type": "Data type",
                    "mappings": [
                        {
                            "UDS3_value": "Numeric factor & Numeric factor",
                            "UDS4_value": "Numeric factor",
                            "reversible": "NA",
                            "note": "NA"
                        }
                    ]
                },
                {
                    "mapping_type": "Conformity",
                    "mappings": [
                        {
                            "UDS3_value": "1, 8 & 1,8",
                            "UDS4_value": "0-3, 8",
                            "reversible": "NA",
                            "note": "NA"
                        }
                    ]
                },
                {
                    "mapping_type": "Response LEVELS",
                    "mappings": [
                        {
                            "UDS3_value": "NA & NA",
                            "UDS4_value": 0,
                            "reversible": "NA",
                            "note": "VFIELDCUT maps to 0 ONLY if BOTH CORTVISL is blank/NA and CORTVISR is blank/NA"
                        }
                    ]
                },
                {
                    "mapping_type": "Response LEVELS",
                    "mappings": [
                        {
                            "UDS3_value": "1 | 1",
                            "UDS4_value": "1",
                            "reversible": "NA",
                            "note": "VFIELDCUT maps to 1 ONLY if CORTVISL==1 XOR CORTVISR==1"
                        }
                    ]
                },
                {
                    "mapping_type": "Response LEVELS",
                    "mappings": [
                        {
                            "UDS3_value": "8 & 8",
                            "UDS4_value": "8",
                            "reversible": "NA",
                            "note": "VFIELDCUT only maps to 8 when both CORTVISL==8 AND CORTVISR==8"
                        }
                    ]
                },
                {
                    "mapping_type": "Response LABELS",
                    "mappings": [
                        {
                            "UDS3_value": "<BLANK> & <BLANK>",
                            "UDS4_value": "Absent",
                            "reversible": "NA",
                            "note": "VFIELDCUT maps to 'Absent' ONLY if both CORTVISL=='<BLANK>' OR CORTVISR=='<BLANK>'"
                        }
                    ]
                },
                {
                    "mapping_type": "Response LABELS",
                    "mappings": [
                        {
                            "UDS3_value": "1 Yes | 1 Yes",
                            "UDS4_value": "Focal or Unilateral",
                            "reversible": "NA",
                            "note": "VFIELDCUT maps to 'Focal or Unilateral' ONLY if CORTVISL=='1 Yes' XOR CORTVISR=='1 Yes'"
                        }
                    ]
                },
                {
                    "mapping_type": "Response LABELS",
                    "mappings": [
                        {
                            "UDS3_value": "8 Not assessed & 8 Not assessed",
                            "UDS4_value": "Not Assessed",
                            "reversible": "NA",
                            "note": "VFIELDCUT only maps to 'Not Assessed' when both CORTVISL=='8 Not assessed' AND CORTVISR=='8 Not assessed'"
                        }
                    ]
                }
            ]
        },
        {
            "UDS3_variable": "DYSPSP",
            "UDS4_variable": "DYSARTH",
            "crosswalk_mappings": [
                {
                    "mapping_type": "UDS Form",
                    "mappings": [
                        {
                            "UDS3_value": "B8",
                            "UDS4_value": "B8",
                            "reversible": "NA",
                            "note": "NA"
                        }
                    ]
                },
                {
                    "mapping_type": "UDS REDCap question number",
                    "mappings": [
                        {
                            "UDS3_value": "5b",
                            "UDS4_value": "4p",
                            "reversible": "NA",
                            "note": "ADRC must decide appropriateness of mapping"
                        }
                    ]
                },
                {
                    "mapping_type": "UDS REDCap field label",
                    "mappings": [
                        {
                            "UDS3_value": "5b. Dysarthria consistent with PSP",
                            "UDS4_value": "4p. Dysarthria*",
                            "reversible": "NA",
                            "note": "ADRC must decide appropriateness of mapping"
                        }
                    ]
                },
                {
                    "mapping_type": "Data type",
                    "mappings": [
                        {
                            "UDS3_value": "Numeric factor",
                            "UDS4_value": "Numeric factor",
                            "reversible": "NA",
                            "note": "ADRC must decide appropriateness of mapping"
                        }
                    ]
                },
                {
                    "mapping_type": "Conformity",
                    "mappings": [
                        {
                            "UDS3_value": "1, 8",
                            "UDS4_value": "0-1, 8",
                            "reversible": "NA",
                            "note": "ADRC must decide appropriateness of mapping"
                        }
                    ]
                },
                {
                    "mapping_type": "Response LEVELS",
                    "mappings": [
                        {
                            "UDS3_value": null,
                            "UDS4_value": 0,
                            "reversible": "NA",
                            "note": "Map to UDS4 DYSARTH to No when UDS3 DYSPSP is blank, missing, or NA; ADRC must decide appropriateness of mapping"
                        }
                    ]
                },
                {
                    "mapping_type": "Response LEVELS",
                    "mappings": [
                        {
                            "UDS3_value": 1,
                            "UDS4_value": 1,
                            "reversible": "NA",
                            "note": "ADRC must decide appropriateness of mapping"
                        }
                    ]
                },
                {
                    "mapping_type": "Response LEVELS",
                    "mappings": [
                        {
                            "UDS3_value": "8",
                            "UDS4_value": "8",
                            "reversible": "NA",
                            "note": "ADRC must decide appropriateness of mapping"
                        }
                    ]
                },
                {
                    "mapping_type": "Response LABELS",
                    "mappings": [
                        {
                            "UDS3_value": "<BLANK>",
                            "UDS4_value": "Absent",
                            "reversible": "NA",
                            "note": "Map to UDS4 DYSARTH to No when UDS3 DYSPSP is blank, missing, or NA; ADRC must decide appropriateness of mapping"
                        }
                    ]
                },
                {
                    "mapping_type": "Response LABELS",
                    "mappings": [
                        {
                            "UDS3_value": "1 Yes",
                            "UDS4_value": "Present",
                            "reversible": "NA",
                            "note": "ADRC must decide appropriateness of mapping"
                        }
                    ]
                },
                {
                    "mapping_type": "Response LABELS",
                    "mappings": [
                        {
                            "UDS3_value": "8 Not assessed",
                            "UDS4_value": "Not Assessed",
                            "reversible": "NA",
                            "note": "ADRC must decide appropriateness of mapping"
                        }
                    ]
                }
            ]
        },
        {
            "UDS3_variable": "DYSTONL | DYSTONR",
            "UDS4_variable": "DYSTARM",
            "crosswalk_mappings": [
                {
                    "mapping_type": "UDS Form",
                    "mappings": [
                        {
                            "UDS3_value": "B8",
                            "UDS4_value": "B8",
                            "reversible": "NA",
                            "note": "ADRC must decide whether to map DYSTONL | DYSTONR on UDS to DYSTARM, DYSTLEG, or both"
                        }
                    ]
                },
                {
                    "mapping_type": "UDS REDCap question number",
                    "mappings": [
                        {
                            "UDS3_value": "5j1 & 5j2",
                            "UDS4_value": "3g",
                            "reversible": "NA",
                            "note": "ADRC must decide whether to map DYSTONL | DYSTONR on UDS to DYSTARM, DYSTLEG, or both"
                        }
                    ]
                },
                {
                    "mapping_type": "UDS REDCap field label",
                    "mappings": [
                        {
                            "UDS3_value": "5j1. Dystonia consistent with CBS, PSP, or related disorder__Left | 5j2. Dystonia consistent with CBS, PSP, or related disorder__Right",
                            "UDS4_value": "3g. Limb dystonia - arm",
                            "reversible": "NA",
                            "note": "ADRC must decide whether to map DYSTONL | DYSTONR on UDS to DYSTARM, DYSTLEG, or both"
                        }
                    ]
                },
                {
                    "mapping_type": "Data type",
                    "mappings": [
                        {
                            "UDS3_value": "Numeric factor & Numeric factor",
                            "UDS4_value": "Numeric factor",
                            "reversible": "NA",
                            "note": "ADRC must decide whether to map DYSTONL | DYSTONR on UDS to DYSTARM, DYSTLEG, or both"
                        }
                    ]
                },
                {
                    "mapping_type": "Conformity",
                    "mappings": [
                        {
                            "UDS3_value": "1, 8 & 1,8",
                            "UDS4_value": "0-3, 8",
                            "reversible": "NA",
                            "note": "ADRC must decide whether to map DYSTONL | DYSTONR on UDS to DYSTARM, DYSTLEG, or both"
                        }
                    ]
                },
                {
                    "mapping_type": "Response LEVELS",
                    "mappings": [
                        {
                            "UDS3_value": "NA & NA",
                            "UDS4_value": 0,
                            "reversible": "NA",
                            "note": "DYSTARM maps to 0 ONLY if BOTH DYSTONL is blank/NA and DYSTONR is blank/NA"
                        }
                    ]
                },
                {
                    "mapping_type": "Response LEVELS",
                    "mappings": [
                        {
                            "UDS3_value": "1 | 1",
                            "UDS4_value": "1",
                            "reversible": "NA",
                            "note": "DYSTARM maps to 1 ONLY if DYSTONL==1 XOR DYSTONR==1"
                        }
                    ]
                },
                {
                    "mapping_type": "Response LEVELS",
                    "mappings": [
                        {
                            "UDS3_value": "8 & 8",
                            "UDS4_value": "8",
                            "reversible": "NA",
                            "note": "DYSTARM only maps to 8 when both DYSTONL==8 AND DYSTONR==8"
                        }
                    ]
                },
                {
                    "mapping_type": "Response LABELS",
                    "mappings": [
                        {
                            "UDS3_value": "<BLANK> & <BLANK>",
                            "UDS4_value": "Absent",
                            "reversible": "NA",
                            "note": "DYSTARM maps to 'Absent' ONLY if both DYSTONL=='<BLANK>' OR DYSTONR=='<BLANK>'"
                        }
                    ]
                },
                {
                    "mapping_type": "Response LABELS",
                    "mappings": [
                        {
                            "UDS3_value": "1 Yes | 1 Yes",
                            "UDS4_value": "Focal or Unilateral",
                            "reversible": "NA",
                            "note": "DYSTARM maps to 'Focal or Unilateral' ONLY if DYSTONL=='1 Yes' XOR DYSTONR=='1 Yes'"
                        }
                    ]
                },
                {
                    "mapping_type": "Response LABELS",
                    "mappings": [
                        {
                            "UDS3_value": "8 Not assessed & 8 Not assessed",
                            "UDS4_value": "Not Assessed",
                            "reversible": "NA",
                            "note": "DYSTARM only maps to 'Not Assessed' when both DYSTONL=='8 Not assessed' AND DYSTONR=='8 Not assessed'"
                        }
                    ]
                }
            ]
        },
        {
            "UDS3_variable": "DYSTONL | DYSTONR",
            "UDS4_variable": "DYSTLEG",
            "crosswalk_mappings": [
                {
                    "mapping_type": "UDS Form",
                    "mappings": [
                        {
                            "UDS3_value": "B8",
                            "UDS4_value": "B8",
                            "reversible": "NA",
                            "note": "ADRC must decide whether to map DYSTONL | DYSTONR on UDS to DYSTARM, DYSTLEG, or both"
                        }
                    ]
                },
                {
                    "mapping_type": "UDS REDCap question number",
                    "mappings": [
                        {
                            "UDS3_value": "5j1 & 5j2",
                            "UDS4_value": "3h",
                            "reversible": "NA",
                            "note": "ADRC must decide whether to map DYSTONL | DYSTONR on UDS to DYSTARM, DYSTLEG, or both"
                        }
                    ]
                },
                {
                    "mapping_type": "UDS REDCap field label",
                    "mappings": [
                        {
                            "UDS3_value": "5j1. Dystonia consistent with CBS, PSP, or related disorder__Left | 5j2. Dystonia consistent with CBS, PSP, or related disorder__Right",
                            "UDS4_value": "3h. Limb dystonia - leg",
                            "reversible": "NA",
                            "note": "ADRC must decide whether to map DYSTONL | DYSTONR on UDS to DYSTARM, DYSTLEG, or both"
                        }
                    ]
                },
                {
                    "mapping_type": "Data type",
                    "mappings": [
                        {
                            "UDS3_value": "Numeric factor & Numeric factor",
                            "UDS4_value": "Numeric factor",
                            "reversible": "NA",
                            "note": "ADRC must decide whether to map DYSTONL | DYSTONR on UDS to DYSTARM, DYSTLEG, or both"
                        }
                    ]
                },
                {
                    "mapping_type": "Conformity",
                    "mappings": [
                        {
                            "UDS3_value": "1, 8 & 1,8",
                            "UDS4_value": "0-3, 8",
                            "reversible": "NA",
                            "note": "ADRC must decide whether to map DYSTONL | DYSTONR on UDS to DYSTARM, DYSTLEG, or both"
                        }
                    ]
                },
                {
                    "mapping_type": "Response LEVELS",
                    "mappings": [
                        {
                            "UDS3_value": "NA & NA",
                            "UDS4_value": 0,
                            "reversible": "NA",
                            "note": "DYSTLEG maps to 0 ONLY if BOTH DYSTONL is blank/NA and DYSTONR is blank/NA"
                        }
                    ]
                },
                {
                    "mapping_type": "Response LEVELS",
                    "mappings": [
                        {
                            "UDS3_value": "1 | 1",
                            "UDS4_value": "1",
                            "reversible": "NA",
                            "note": "DYSTLEG maps to 1 ONLY if DYSTONL==1 XOR DYSTONR==1"
                        }
                    ]
                },
                {
                    "mapping_type": "Response LEVELS",
                    "mappings": [
                        {
                            "UDS3_value": "8 & 8",
                            "UDS4_value": "8",
                            "reversible": "NA",
                            "note": "DYSTLEG only maps to 8 when both DYSTONL==8 AND DYSTONR==8"
                        }
                    ]
                },
                {
                    "mapping_type": "Response LABELS",
                    "mappings": [
                        {
                            "UDS3_value": "<BLANK> & <BLANK>",
                            "UDS4_value": "Absent",
                            "reversible": "NA",
                            "note": "DYSTLEG maps to 'Absent' ONLY if both DYSTONL=='<BLANK>' OR DYSTONR=='<BLANK>'"
                        }
                    ]
                },
                {
                    "mapping_type": "Response LABELS",
                    "mappings": [
                        {
                            "UDS3_value": "1 Yes | 1 Yes",
                            "UDS4_value": "Focal or Unilateral",
                            "reversible": "NA",
                            "note": "DYSTLEG maps to 'Focal or Unilateral' ONLY if DYSTONL=='1 Yes' XOR DYSTONR=='1 Yes'"
                        }
                    ]
                },
                {
                    "mapping_type": "Response LABELS",
                    "mappings": [
                        {
                            "UDS3_value": "8 Not assessed & 8 Not assessed",
                            "UDS4_value": "Not Assessed",
                            "reversible": "NA",
                            "note": "DYSTLEG only maps to 'Not Assessed' when both DYSTONL=='8 Not assessed' AND DYSTONR=='8 Not assessed'"
                        }
                    ]
                }
            ]
        },
        {
            "UDS3_variable": "GAITNPH",
            "UDS4_variable": "GAITFIND",
            "crosswalk_mappings": [
                {
                    "mapping_type": "Response LEVELS",
                    "mappings": [
                        {
                            "UDS3_value": "1",
                            "UDS4_value": "4",
                            "reversible": "NA",
                            "note": "NA"
                        }
                    ]
                },
                {
                    "mapping_type": "Response LEVELS",
                    "mappings": [
                        {
                            "UDS3_value": "1 Yes",
                            "UDS4_value": "Apractic/magnetic gait",
                            "reversible": "NA",
                            "note": "NA"
                        }
                    ]
                }
            ]
        },
        {
            "UDS3_variable": "GAITPSP",
            "UDS4_variable": "GAITFIND",
            "crosswalk_mappings": [
                {
                    "mapping_type": "Response LEVELS",
                    "mappings": [
                        {
                            "UDS3_value": "1",
                            "UDS4_value": "5",
                            "reversible": "NA",
                            "note": "NA"
                        }
                    ]
                },
                {
                    "mapping_type": "Response LEVELS",
                    "mappings": [
                        {
                            "UDS3_value": "1 Yes",
                            "UDS4_value": "Hypokinetic/parkinsonian gait",
                            "reversible": "NA",
                            "note": "NA"
                        }
                    ]
                }
            ]
        },
        {
            "UDS3_variable": "MYOCLLT | MYOCLRT",
            "UDS4_variable": "MYOCLON",
            "crosswalk_mappings": [
                {
                    "mapping_type": "UDS Form",
                    "mappings": [
                        {
                            "UDS3_value": "B8",
                            "UDS4_value": "B8",
                            "reversible": "NA",
                            "note": "NA"
                        }
                    ]
                },
                {
                    "mapping_type": "UDS REDCap question number",
                    "mappings": [
                        {
                            "UDS3_value": "5k1 & 5k2",
                            "UDS4_value": "4f",
                            "reversible": "NA",
                            "note": "NA"
                        }
                    ]
                },
                {
                    "mapping_type": "UDS REDCap field label",
                    "mappings": [
                        {
                            "UDS3_value": "5k1. Myoclonus consistent with CBS__Left & 5k2. Myoclonus consistent with CBS__Right",
                            "UDS4_value": "4f. Myoclonus",
                            "reversible": "NA",
                            "note": "NA"
                        }
                    ]
                },
                {
                    "mapping_type": "Data type",
                    "mappings": [
                        {
                            "UDS3_value": "Numeric factor & Numeric factor",
                            "UDS4_value": "Numeric factor",
                            "reversible": "NA",
                            "note": "NA"
                        }
                    ]
                },
                {
                    "mapping_type": "Conformity",
                    "mappings": [
                        {
                            "UDS3_value": "1, 8 & 1,8",
                            "UDS4_value": "0-3, 8",
                            "reversible": "NA",
                            "note": "NA"
                        }
                    ]
                },
                {
                    "mapping_type": "Response LEVELS",
                    "mappings": [
                        {
                            "UDS3_value": "NA & NA",
                            "UDS4_value": 0,
                            "reversible": "NA",
                            "note": "MYOCLON maps to 0 ONLY if BOTH MYOCLLT is blank/NA and MYOCLRT is blank/NA"
                        }
                    ]
                },
                {
                    "mapping_type": "Response LEVELS",
                    "mappings": [
                        {
                            "UDS3_value": "1 | 1",
                            "UDS4_value": "1",
                            "reversible": "NA",
                            "note": "MYOCLON maps to 1 ONLY if MYOCLLT==1 XOR MYOCLRT==1"
                        }
                    ]
                },
                {
                    "mapping_type": "Response LEVELS",
                    "mappings": [
                        {
                            "UDS3_value": "8 & 8",
                            "UDS4_value": "8",
                            "reversible": "NA",
                            "note": "MYOCLON only maps to 8 when both MYOCLLT==8 AND MYOCLRT==8"
                        }
                    ]
                },
                {
                    "mapping_type": "Response LABELS",
                    "mappings": [
                        {
                            "UDS3_value": "<BLANK> & <BLANK>",
                            "UDS4_value": "Absent",
                            "reversible": "NA",
                            "note": "MYOCLON maps to 'Absent' ONLY if both MYOCLLT=='<BLANK>' OR MYOCLRT=='<BLANK>'"
                        }
                    ]
                },
                {
                    "mapping_type": "Response LABELS",
                    "mappings": [
                        {
                            "UDS3_value": "1 Yes | 1 Yes",
                            "UDS4_value": "Focal or Unilateral",
                            "reversible": "NA",
                            "note": "MYOCLON maps to 'Focal or Unilateral' ONLY if MYOCLLT=='1 Yes' XOR MYOCLRT=='1 Yes'"
                        }
                    ]
                },
                {
                    "mapping_type": "Response LABELS",
                    "mappings": [
                        {
                            "UDS3_value": "8 Not assessed & 8 Not assessed",
                            "UDS4_value": "Not Assessed",
                            "reversible": "NA",
                            "note": "MYOCLON only maps to 'Not Assessed' when both MYOCLLT=='8 Not assessed' AND MYOCLRT=='8 Not assessed'"
                        }
                    ]
                }
            ]
        },
        {
            "UDS3_variable": "PARKGAIT",
            "UDS4_variable": "GAITFIND",
            "crosswalk_mappings": [
                {
                    "mapping_type": "Response LEVELS",
                    "mappings": [
                        {
                            "UDS3_value": "1",
                            "UDS4_value": "5",
                            "reversible": "NA",
                            "note": "NA"
                        }
                    ]
                },
                {
                    "mapping_type": "Response LEVELS",
                    "mappings": [
                        {
                            "UDS3_value": "1 Yes",
                            "UDS4_value": "Hypokinetic/parkinsonian gait",
                            "reversible": "NA",
                            "note": "NA"
                        }
                    ]
                }
            ]
        },
        {
            "UDS3_variable": "PARKGAIT | GAITPSP | GAITNPH",
            "UDS4_variable": "GAITABN",
            "crosswalk_mappings": [
                {
                    "mapping_type": "UDS Form",
                    "mappings": [
                        {
                            "UDS3_value": "B8 & B8 & B8",
                            "UDS4_value": "B8",
                            "reversible": "NA",
                            "note": "NA"
                        }
                    ]
                },
                {
                    "mapping_type": "UDS REDCap question number",
                    "mappings": [
                        {
                            "UDS3_value": "2e & 5d & 7",
                            "UDS4_value": 5,
                            "reversible": "NA",
                            "note": "NA"
                        }
                    ]
                },
                {
                    "mapping_type": "UDS REDCap field label",
                    "mappings": [
                        {
                            "UDS3_value": "2e. Parkinsonian gait disorder | 5d. Gait disorder consistent with PSP | 7. Normal-pressure hydrocephalus: gait apraxia",
                            "UDS4_value": "<div class=\"rich-text-field-label\"><p><span style=\"font-weight: normal;\">5. Gait</span></p></div>",
                            "reversible": "NA",
                            "note": "NA"
                        }
                    ]
                },
                {
                    "mapping_type": "Data type",
                    "mappings": [
                        {
                            "UDS3_value": "Numeric factor & Numeric factor & Numeric factor",
                            "UDS4_value": "Numeric factor",
                            "reversible": "NA",
                            "note": "NA"
                        }
                    ]
                },
                {
                    "mapping_type": "Conformity",
                    "mappings": [
                        {
                            "UDS3_value": "1, 8 & 1,8 & 0-1",
                            "UDS4_value": "0-1, 8",
                            "reversible": "NA",
                            "note": "NA"
                        }
                    ]
                },
                {
                    "mapping_type": "Response LEVELS",
                    "mappings": [
                        {
                            "UDS3_value": "NA & NA & 0",
                            "UDS4_value": 0,
                            "reversible": "NA",
                            "note": "ADRC must decide appropriate merging and accounting of GAITNPH; GAITABN maps to 0 ONLY if ALL PARKGAIT is blank/NA and GAITPSP is blank/NA and GAITNPH is blank/NA/0"
                        }
                    ]
                },
                {
                    "mapping_type": "Response LEVELS",
                    "mappings": [
                        {
                            "UDS3_value": "1 | 1 | 1",
                            "UDS4_value": "1",
                            "reversible": "NA",
                            "note": "GAITABN maps to 1 if PARKGAIT==1 OR GAITPSP==1 OR GAITNPH==1"
                        }
                    ]
                },
                {
                    "mapping_type": "Response LABELS",
                    "mappings": [
                        {
                            "UDS3_value": "<BLANK> & <BLANK> & <BLANK>",
                            "UDS4_value": "No abnormal signs in this section are present",
                            "reversible": "NA",
                            "note": "GAITABN maps to 'Absent' ONLY if ALL PARKGAIT=='<BLANK>' AND GAITPSP=='<BLANK>' AND GAITNPH=='<BLANK>'"
                        }
                    ]
                },
                {
                    "mapping_type": "Response LABELS",
                    "mappings": [
                        {
                            "UDS3_value": "1 Yes | 1 Yes | 1 Yes",
                            "UDS4_value": "Yes (<b>IF YES</b>, consider completing additional measures as described in Section 2D)",
                            "reversible": "NA",
                            "note": "GAITABN maps to 'Present' if PARKGAIT=='1 Yes' OR GAITPSP=='1 Yes' OR GAITNPH=='1 Yes'"
                        }
                    ]
                }
            ]
        },
        {
            "UDS3_variable": "PARKGAIT | GAITPSP | GAITNPH",
            "UDS4_variable": "GAITFIND",
            "crosswalk_mappings": [
                {
                    "mapping_type": "UDS Form",
                    "mappings": [
                        {
                            "UDS3_value": "B8 & B8 & B8",
                            "UDS4_value": "B8",
                            "reversible": "NA",
                            "note": "NA"
                        }
                    ]
                },
                {
                    "mapping_type": "UDS REDCap question number",
                    "mappings": [
                        {
                            "UDS3_value": "2e & 5d & 7",
                            "UDS4_value": 5,
                            "reversible": "NA",
                            "note": "NA"
                        }
                    ]
                },
                {
                    "mapping_type": "UDS REDCap field label",
                    "mappings": [
                        {
                            "UDS3_value": "2e. Parkinsonian gait disorder | 5d. Gait disorder consistent with PSP | 7. Normal-pressure hydrocephalus: gait apraxia",
                            "UDS4_value": "Gait__<div class=\"rich-text-field-label\"><p><span style=\"font-weight: normal;\">5a. Finding:</span></p></div>",
                            "reversible": "NA",
                            "note": "NA"
                        }
                    ]
                },
                {
                    "mapping_type": "Data type",
                    "mappings": [
                        {
                            "UDS3_value": "Numeric factor & Numeric factor & Numeric factor",
                            "UDS4_value": "Numeric factor",
                            "reversible": "NA",
                            "note": "NA"
                        }
                    ]
                },
                {
                    "mapping_type": "Conformity",
                    "mappings": [
                        {
                            "UDS3_value": "1, 8 & 1,8 & 0-1",
                            "UDS4_value": "1-7",
                            "reversible": "NA",
                            "note": "NA"
                        }
                    ]
                }
            ]
        },
        {
            "UDS3_variable": "RESTTRL | RESTTRR",
            "UDS4_variable": "TREMREST",
            "crosswalk_mappings": [
                {
                    "mapping_type": "UDS Form",
                    "mappings": [
                        {
                            "UDS3_value": "B8",
                            "UDS4_value": "B8",
                            "reversible": "No",
                            "note": "NA"
                        }
                    ]
                },
                {
                    "mapping_type": "UDS REDCap question number",
                    "mappings": [
                        {
                            "UDS3_value": "2a1 & 2a2",
                            "UDS4_value": "3b",
                            "reversible": "No",
                            "note": "NA"
                        }
                    ]
                },
                {
                    "mapping_type": "UDS REDCap field label",
                    "mappings": [
                        {
                            "UDS3_value": "2a1. Resting tremor - arm__Left | 2a2. Resting tremor - arm__Right",
                            "UDS4_value": "3b. Limb tremor at rest",
                            "reversible": "No",
                            "note": "Consider appropriate to map arm tremor forward to limb tremor"
                        }
                    ]
                },
                {
                    "mapping_type": "Data type",
                    "mappings": [
                        {
                            "UDS3_value": "Numeric factor & Numeric factor",
                            "UDS4_value": "Numeric factor",
                            "reversible": "No",
                            "note": "NA"
                        }
                    ]
                },
                {
                    "mapping_type": "Conformity",
                    "mappings": [
                        {
                            "UDS3_value": "1, 8",
                            "UDS4_value": "0-3, 8",
                            "reversible": "No",
                            "note": "NA"
                        }
                    ]
                },
                {
                    "mapping_type": "Response LEVELS",
                    "mappings": [
                        {
                            "UDS3_value": "NA & NA",
                            "UDS4_value": 0,
                            "reversible": "No",
                            "note": "TREMREST maps to 0 ONLY if BOTH RESTTRL is blank/NA and RESTTRR is blank/NA"
                        }
                    ]
                },
                {
                    "mapping_type": "Response LEVELS",
                    "mappings": [
                        {
                            "UDS3_value": "1 | 1",
                            "UDS4_value": "1",
                            "reversible": "No",
                            "note": "TREMREST maps to 1 ONLY if RESTTRL==1 XOR RESTTRR==1"
                        }
                    ]
                },
                {
                    "mapping_type": "Response LEVELS",
                    "mappings": [
                        {
                            "UDS3_value": "8 & 8",
                            "UDS4_value": "8",
                            "reversible": "No",
                            "note": "TREMREST only maps to 8 when both RESTTRL==8 AND RESTTRR==8"
                        }
                    ]
                },
                {
                    "mapping_type": "Response LABELS",
                    "mappings": [
                        {
                            "UDS3_value": "<BLANK> & <BLANK>",
                            "UDS4_value": "Absent",
                            "reversible": "No",
                            "note": "TREMREST maps to 'Absent' ONLY if both RESTTRL=='<BLANK>' OR RESTTRR=='<BLANK>'"
                        }
                    ]
                },
                {
                    "mapping_type": "Response LABELS",
                    "mappings": [
                        {
                            "UDS3_value": "1 Yes | 1 Yes",
                            "UDS4_value": "Focal or Unilateral",
                            "reversible": "No",
                            "note": "TREMREST maps to 'Focal or Unilateral' ONLY if RESTTRL=='1 Yes' XOR RESTTRR=='1 Yes'"
                        }
                    ]
                },
                {
                    "mapping_type": "Response LABELS",
                    "mappings": [
                        {
                            "UDS3_value": "8 Not assessed & 8 Not assessed",
                            "UDS4_value": "Not Assessed",
                            "reversible": "No",
                            "note": "TREMREST only maps to 'Not Assessed' when both RESTTRL=='8 Not assessed' AND RESTTRR=='8 Not assessed'"
                        }
                    ]
                }
            ]
        },
        {
            "UDS3_variable": "RIGIDL | RIGIDR",
            "UDS4_variable": "RIGIDARM",
            "crosswalk_mappings": [
                {
                    "mapping_type": "UDS Form",
                    "mappings": [
                        {
                            "UDS3_value": "B8",
                            "UDS4_value": "B8",
                            "reversible": "NA",
                            "note": "NA"
                        }
                    ]
                },
                {
                    "mapping_type": "UDS REDCap question number",
                    "mappings": [
                        {
                            "UDS3_value": "2c1 & 2c2",
                            "UDS4_value": "3e",
                            "reversible": "NA",
                            "note": "NA"
                        }
                    ]
                },
                {
                    "mapping_type": "UDS REDCap field label",
                    "mappings": [
                        {
                            "UDS3_value": "2c1. Rigidity - arm__Left | 2c2. Rigidity - arm__Right",
                            "UDS4_value": "3e. Limb rigidity - arm",
                            "reversible": "NA",
                            "note": "NA"
                        }
                    ]
                },
                {
                    "mapping_type": "Data type",
                    "mappings": [
                        {
                            "UDS3_value": "Numeric factor & Numeric factor",
                            "UDS4_value": "Numeric factor",
                            "reversible": "NA",
                            "note": "NA"
                        }
                    ]
                },
                {
                    "mapping_type": "Conformity",
                    "mappings": [
                        {
                            "UDS3_value": "1, 8 & 1,8",
                            "UDS4_value": "0-3, 8",
                            "reversible": "NA",
                            "note": "NA"
                        }
                    ]
                },
                {
                    "mapping_type": "Response LEVELS",
                    "mappings": [
                        {
                            "UDS3_value": "NA & NA",
                            "UDS4_value": 0,
                            "reversible": "NA",
                            "note": "RIGIDARM maps to 0 ONLY if BOTH RIGIDL is blank/NA and RIGIDR is blank/NA"
                        }
                    ]
                },
                {
                    "mapping_type": "Response LEVELS",
                    "mappings": [
                        {
                            "UDS3_value": "1 | 1",
                            "UDS4_value": "1",
                            "reversible": "NA",
                            "note": "RIGIDARM maps to 1 ONLY if RIGIDL==1 XOR RIGIDR==1"
                        }
                    ]
                },
                {
                    "mapping_type": "Response LEVELS",
                    "mappings": [
                        {
                            "UDS3_value": "8 & 8",
                            "UDS4_value": "8",
                            "reversible": "NA",
                            "note": "RIGIDARM only maps to 8 when both RIGIDL==8 AND RIGIDR==8"
                        }
                    ]
                },
                {
                    "mapping_type": "Response LABELS",
                    "mappings": [
                        {
                            "UDS3_value": "<BLANK> & <BLANK>",
                            "UDS4_value": "Absent",
                            "reversible": "NA",
                            "note": "RIGIDARM maps to 'Absent' ONLY if both RIGIDL=='<BLANK>' OR RIGIDR=='<BLANK>'"
                        }
                    ]
                },
                {
                    "mapping_type": "Response LABELS",
                    "mappings": [
                        {
                            "UDS3_value": "1 Yes | 1 Yes",
                            "UDS4_value": "Focal or Unilateral",
                            "reversible": "NA",
                            "note": "RIGIDARM maps to 'Focal or Unilateral' ONLY if RIGIDL=='1 Yes' XOR RIGIDR=='1 Yes'"
                        }
                    ]
                },
                {
                    "mapping_type": "Response LABELS",
                    "mappings": [
                        {
                            "UDS3_value": "8 Not assessed & 8 Not assessed",
                            "UDS4_value": "Not Assessed",
                            "reversible": "NA",
                            "note": "RIGIDARM only maps to 'Not Assessed' when both RIGIDL=='8 Not assessed' AND RIGIDR=='8 Not assessed'"
                        }
                    ]
                }
            ]
        },
        {
            "UDS3_variable": "SLOWINGL | SLOWINGR",
            "UDS4_variable": "SLOWINGFM",
            "crosswalk_mappings": [
                {
                    "mapping_type": "UDS Form",
                    "mappings": [
                        {
                            "UDS3_value": "B8",
                            "UDS4_value": "B8",
                            "reversible": "NA",
                            "note": "NA"
                        }
                    ]
                },
                {
                    "mapping_type": "UDS REDCap question number",
                    "mappings": [
                        {
                            "UDS3_value": "2b1 & 2b2",
                            "UDS4_value": "3a",
                            "reversible": "NA",
                            "note": "NA"
                        }
                    ]
                },
                {
                    "mapping_type": "UDS REDCap field label",
                    "mappings": [
                        {
                            "UDS3_value": "2b1. Slowing of fine motor movements__Left | 2b2. Slowing of fine motor movements__Right",
                            "UDS4_value": "3a. Slowing of fine motor movements",
                            "reversible": "NA",
                            "note": "NA"
                        }
                    ]
                },
                {
                    "mapping_type": "Data type",
                    "mappings": [
                        {
                            "UDS3_value": "Numeric factor & Numeric factor",
                            "UDS4_value": "Numeric factor",
                            "reversible": "NA",
                            "note": "NA"
                        }
                    ]
                },
                {
                    "mapping_type": "Conformity",
                    "mappings": [
                        {
                            "UDS3_value": "1, 8 & 1,8",
                            "UDS4_value": "0-3, 8",
                            "reversible": "NA",
                            "note": "NA"
                        }
                    ]
                },
                {
                    "mapping_type": "Response LEVELS",
                    "mappings": [
                        {
                            "UDS3_value": "NA & NA",
                            "UDS4_value": 0,
                            "reversible": "NA",
                            "note": "SLOWINGFM maps to 0 ONLY if BOTH SLOWINGL is blank/NA and SLOWINGR is blank/NA"
                        }
                    ]
                },
                {
                    "mapping_type": "Response LEVELS",
                    "mappings": [
                        {
                            "UDS3_value": "1 | 1",
                            "UDS4_value": "1",
                            "reversible": "NA",
                            "note": "SLOWINGFM maps to 1 ONLY if SLOWINGL==1 XOR SLOWINGR==1"
                        }
                    ]
                },
                {
                    "mapping_type": "Response LEVELS",
                    "mappings": [
                        {
                            "UDS3_value": "8 & 8",
                            "UDS4_value": "8",
                            "reversible": "NA",
                            "note": "SLOWINGFM only maps to 8 when both SLOWINGL==8 AND SLOWINGR==8"
                        }
                    ]
                },
                {
                    "mapping_type": "Response LABELS",
                    "mappings": [
                        {
                            "UDS3_value": "<BLANK> & <BLANK>",
                            "UDS4_value": "Absent",
                            "reversible": "NA",
                            "note": "SLOWINGFM maps to 'Absent' ONLY if both SLOWINGL=='<BLANK>' OR SLOWINGR=='<BLANK>'"
                        }
                    ]
                },
                {
                    "mapping_type": "Response LABELS",
                    "mappings": [
                        {
                            "UDS3_value": "1 Yes | 1 Yes",
                            "UDS4_value": "Focal or Unilateral",
                            "reversible": "NA",
                            "note": "SLOWINGFM maps to 'Focal or Unilateral' ONLY if SLOWINGL=='1 Yes' XOR SLOWINGR=='1 Yes'"
                        }
                    ]
                },
                {
                    "mapping_type": "Response LABELS",
                    "mappings": [
                        {
                            "UDS3_value": "1 Yes & 1 Yes",
                            "UDS4_value": "Bilateral & Largely Symmetric__Bilateral & Largely Asymmetric",
                            "reversible": "NA",
                            "note": "ADRC must decide if bilateral mapping is to 'Bilateral & Largely Symmetric' or 'Bilateral & Largely Asymmetric'; SLOWINGFM only maps to 'Bilateral & Largely Symmetric' or 'Bilateral & Largely Asymmetric' when both SLOWINGL=='1 Yes' AND SLOWINGR=='1 Yes'"
                        }
                    ]
                },
                {
                    "mapping_type": "Response LABELS",
                    "mappings": [
                        {
                            "UDS3_value": "8 Not assessed & 8 Not assessed",
                            "UDS4_value": "Not Assessed",
                            "reversible": "NA",
                            "note": "SLOWINGFM only maps to 'Not Assessed' when both SLOWINGL=='8 Not assessed' AND SLOWINGR=='8 Not assessed'"
                        }
                    ]
                }
            ]
        },
        {
            "UDS3_variable": "TELMOD",
            "UDS4_variable": "RMMODEB8",
            "crosswalk_mappings": [
                {
                    "mapping_type": "UDS Form",
                    "mappings": [
                        {
                            "UDS3_value": "T1",
                            "UDS4_value": "B8",
                            "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 'B8 Neurological Examination Findings' 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": "1-2",
                            "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": "Reversible to a single T1 form for ANY UDS4 remote implementation"
                        }
                    ]
                },
                {
                    "mapping_type": "Response LEVELS",
                    "mappings": [
                        {
                            "UDS3_value": 3,
                            "UDS4_value": 2,
                            "reversible": "ADRC Decision",
                            "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": "Reversible to a single T1 form for ANY UDS4 remote implementation"
                        }
                    ]
                },
                {
                    "mapping_type": "Response LABELS",
                    "mappings": [
                        {
                            "UDS3_value": "Video-assisted conference",
                            "UDS4_value": "Video",
                            "reversible": "Yes",
                            "note": "NA"
                        }
                    ]
                },
                {
                    "mapping_type": "Response LABELS",
                    "mappings": [
                        {
                            "UDS3_value": "Some combination of the two",
                            "UDS4_value": "Video",
                            "reversible": "ADRC Decision",
                            "note": "Reversible to a single T1 form for ANY UDS4 remote implementation"
                        }
                    ]
                }
            ]
        }
    ]
}