Basal Ganglia Diseases

• Gilbert, Arizona, United States
• Phoenix, Arizona, United States
• Berkeley, California, United States
• Carson, California, United States

• Barrow Neurology Clinics at St. Joseph's Hosptial & Medical Center — Phoenix, Arizona, United States
• Coastal Neurological Medical Group, Inc — La Jolla, California, United States
• Neurosearch, Inc. — Reseda, California, United States
• University of Florida Health Science Center — Jacksonville, Florida, United States

• Beate Ritz, UCLA Department of Epidemiology — Los Angeles, California, United States

Not specified

• Fondazione S. Lucia — Rome, Italy

• CHU de Toulouse, Hôpital Purpan — Toulouse, France

• UH Toulouse — Toulouse, France

• Beth Israel Deaconess Medical Center — Boston, Massachusetts, United States

• UF Center for Movement Disorders and Neurorestoration — Gainesville, Florida, United States

• Division of Neurology and Epidemiology — Salvador, Estado de Bahia, Brazil