{
    "subject_id": {
        "Description": "Unique identifier of the subject"
    },
    "species": {
        "Description": "The binomial species name from the NCBI Taxonomy"
    },
    "age": {
        "Description": "Age of the participant at time of recording",
        "Units": "days"
    },
    "sex": {
        "Description": "Sex of participant"
    }
}