Parkinson Disease

• St. Joseph's Hospital & Medical Center / Barrow Neurological Institute — Phoenix, Arizona, United States

• Banner Sun Health Research Institute — Sun City, Arizona, United States
• University of California Los Angeles — Los Angeles, California, United States
• Stanford University — Redwood City, California, United States
• Emory University — Atlanta, Georgia, United States

• VitaMed Research, LLC — Palm Desert, California, United States

• Ircss Neuromed — Pozzilli, Isernia, Italy

• Stanford University — Stanford, California, United States

• 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

• University Hospital Ferrara — Ferrara, Italy

Not specified