1. Massachusetts General Hospital, Boston, Massachusetts
2. Harvard School of Public Health, Boston, Massachusetts
3. Cornell University, New York, New York
4. Brigham and Women’s Hospital, Boston, Massachusetts
5. University of Miami, Miami, Florida
6. Thomas Jefferson University, Philadelphia, Pennsylvania
7. University of Rochester, Rochester, New York
8. Georgetown University, Washington, DC
9. Peterborough, New Hampshire
10. University of Cincinnati, Cincinnati, Ohio
11. Scott & White Memorial Hospital/Texas A&M University, Temple
12. University of Southern California, Los Angeles
13. Butler Hospital, Providence, Rhode Island
14. Oregon Health & Science University, Portland
15. Rush University Medical Center, Chicago, Illinois
16. Cleveland Clinic, Cleveland, Ohio
17. Institute of Neurodegenerative Disorders, New Haven, Connecticut
18. Michigan State University, East Lansing
19. Struthers Parkinson’s Center, Golden Valley, Minnesota
20. Boston University, Boston, Massachusetts
21. Duke University, Durham, North Carolina
22. Eastern Connecticut Neurology Specialists, Manchester
23. Parkinson’s Disease & Movement Disorder Center of Boca Raton, Boca Raton, Florida
24. Ochsner Clinic Foundation, New Orleans, Louisiana
25. Administrative Coordination Center, Massachusetts General Hospital, Boston
26. Clinical Coordination Center, University of Rochester, Rochester, New York