1. Merrie Boone Comprehensive Care Clinic for Parkinson Disease; Emory Healthcare; Atlanta Georgia
2. Department of Veterans Affairs; Birmingham/Atlanta Geriatric Research Education and Clinical Center; Decatur Georgia
3. Department of Medicine; Emory University School of Medicine; Atlanta Georgia
4. Department of Neurology; Emory University School of Medicine; Atlanta Georgia
5. Emory Sleep Center; Emory University School of Medicine; Atlanta Georgia
6. Department of Psychiatry and Behavioral Sciences; Emory University School of Medicine; Atlanta Georgia