1. University of Kansas Medical CenterKansas City Kansas USA
2. The Parkinson's Institute, Sunnyvale, CA, San Francisco Veterans Affairs Medical Center and University of California–San FranciscoSan Francisco California USA
3. University of South FloridaTampa Florida USA
4. Georgia Regents UniversityAugusta Georgia USA
5. Parkinson's Disease and Movement Disorders CenterBoca Raton Florida USA
6. Parkinson's & Movement Disorder InstituteFountain Valley California USA
7. Iowa Health PhysiciansDes Moines Iowa USA
8. Adamas Pharmaceuticals, Inc.Emeryville California USA