Parkinson Disease

• Stanford University — Stanford, California, United States

• Beijing Ditan Hospital, Capital Medical University — Beijing, Beijing Municipality, China

• Universidad Francisco de Vitoria — Pozuelo de Alarcón, Madrid, Spain
• Hospital Universitario La Princesa — Madrid, Spain

• University of California, Irvine — Orange, California, United States
• Weill Cornell Medical College — New York, United States
• Toronto Western Hospital — Toronto, Ontario, Canada

• Campus USÖ, Örebro University — Örebro, Sweden

• Beijing Hospital — Beijing, Beijing Municipality, China
• Beijing Tiantan Hospital, Capital Medical University — Beijing, Beijing Municipality, China
• Xuanwu Hospital, Capital Medical University — Beijing, Beijing Municipality, China
• The First Affiliated Hospital of Chongqing Medical University — Chongqing, Chongqing Municipality, China

• University Hospital Ferrara — Ferrara, Italy

• University Hospitals Cleveland Medical Center — Cleveland, Ohio, United States
• The Ohio State University Wexner Medical Center Neurological Surgery — Columbus, Ohio, United States
• University of Pittsburgh Medical Center — Pittsburgh, Pennsylvania, United States
• Medical University of South Carolina — Charleston, South Carolina, United States

Not specified

• UAB WHARF at Lakeshore — Homewood, Alabama, United States