1. Department of Neurology, Rochester, New York.
2. CHET, University of Rochester Medical Center, Rochester, New York.
3. Duke University School of Medicine, Durham, North Carolina.
4. Department of Biostatistics, University of Rochester, Rochester, New York.
5. National Parkinson Foundation, Miami, Florida.
6. Division of Geriatric Medicine and Gerontology, Department of Medicine, Johns Hopkins University School of Medicine, Baltimore, Maryland.
7. Simone Consulting, Sunnyvale, California.
8. Department of Neurology, Philadelphia, Pennsylvania.
9. Department of Biostatistics and Epidemiology, University of Pennsylvania, Philadelphia, Pennsylvania.
10. Department of Neurology, University of California San Francisco, San Francisco, California.
11. Northwest Neurological, PLLC, Spokane, Washington.
12. Parkinson Center and Movement Disorders Program, Oregon Health and Science University, Portland, Oregon.
13. Department of Neurology, Baylor College of Medicine, Houston, Texas.
14. Department of Neurology and Neurosurgery, Johns Hopkins University, Baltimore, Maryland.
15. Department of Neurology, Georgia Regents University, Augusta, Georgia.
16. Department of Neurology, Duke Medical Center, Durham, North Carolina.
17. Department of Neurology, Massachusetts General Hospital, Boston, Massachusetts.
18. Struthers Parkinson's Center, Golden Valley, Minnesota.
19. Department of Neurology, Beth Israel Deaconess Medical Center, Boston, Massachusetts.
20. Department of Neurology, University of Miami, Miami, Florida.
21. Department of Neurology, Northwestern University, Evanston, Illinois.
22. The Feinstein Institute for Medical Research, North Shore-LIJ Health System, Manhasset, New York.
23. Department of Neurology, Medical University of South Carolina, Charleston, South Carolina.
24. Department of Neurology, University of Kansas Medical Center, Kansas City, Kansas.
25. Parkinson's Institute, Sunnyvale, California.
26. Department of Neurology, Mayo Clinic, Rochester, Minnesota.
27. Center for Information Technology Research in the Interest of Society, University of California, Berkeley, California.
28. Health Informatics Centre, Karolinska Institute, Stockholm, Sweden.
29. PatientsLikeMe, Cambridge, Massachusetts.
30. West Health Institute, La Jolla, California.