Duration of how long the participant/subject held his or her longest occupation before being diagnosed with Parkinson's Disease, as a part of Parkinson's Disease - Mini Environmental Risk Questionnaire (PD-DOC-MERQ)
Duration of how long the participant/subject held his or her longest occupation before being diagnosed with Parkinson's Disease, as a part of Parkinson's Disease - Mini Environmental Risk Questionnaire (PD-DOC-MERQ)