1. University of Rochester, Rochester, New York
2. University of Texas Health Science Center at Houston
3. Medical University of South Carolina, Charleston
4. National Institutes of Health, Bethesda, Maryland
5. University of South Florida, Tampa
6. Pacific Health Research and Education Institute, Honolulu, Hawaii
7. University of California, San Francisco
8. State University of New York Downstate Medical Center, Brooklyn
9. University of Vermont, Burlington
10. University of Kentucky, Lexington
11. University of Michigan, Ann Arbor
12. University of Maryland School of Medicine, Baltimore
13. University of Pennsylvania, Philadelphia
14. University of Calgary, Calgary, Alberta, Canada
15. University of Texas Southwestern Medical Center, Dallas
16. University of Southern California, Los Angeles
17. Ochsner Medical Center, New Orleans, Louisiana
18. University of Colorado Denver, Aurora
19. The Parkinson’s Institute and Clinical Center, Sunnyvale, California
20. Johns Hopkins University, Baltimore, Maryland
21. Georgia Regents University, Augusta
22. Struthers Parkinson’s Center, Golden Valley, Minnesota
23. Thomas Jefferson University, Philadelphia, Pennsylvania
24. Rush University Medical Center, Chicago, Illinois
25. Beth Israel Deaconess Medical Center, Boston, Massachusetts
26. Northwestern University, Chicago, Illinois
27. University of Miami, Miami, Florida
28. Brigham and Women’s Hospital, Boston, Massachusetts