{
    "participant_id": {
        "Description": "Unique participant identifier"
    },
    "age": {
        "Description": "Age of the participant at time of testing",
        "Units": "years"
    },
    "sex": {
        "Description": "Biological sex of the participant",
        "Levels": {
            "F": "female",
            "M": "male"
        }
    },
    "hand": {
        "Description": "Handedness of the participant",
        "Levels": {
            "R": "right",
            "L": "left",
            "A": "ambidextrous"
        }
    },
    "weight": {
        "Description": "Body weight of the participant",
        "Units": "kg"
    },
    "height": {
        "Description": "Body height of the participant",
        "Units": "m"
    },
    "disease_id": {
        "Description": "Experimental group of the participants",
        "Levels": {
            "ST": "Stroke",
            "GM": "Glioma",
            "PD": "Parkinson's disease",
            "HC": "Healthy control"
        }
    },
    "center_id": {
        "Description": "Identification of the clinical center where data was collected",
        "Levels": {
            "REGIONH": "Copenaghen",
            "TUM": "Munich",
            "MUW": "Vienna",
            "UNIPD": "Padova"
        }
    },
    "disease_notes": {
        "Description": "Additional clinical information or notes about the participant's condition"
    },
    "dataset": {
        "Description": "Name of the source dataset on the PHI platform"
    }
}