1. The Parkinson Study Group SURE-PD3 Investigators
2. Mass General Institute for Neurodegenerative Disease, Boston, Massachusetts
3. Massachusetts General Hospital, Boston
4. Harvard School of Public Health, Boston, Massachusetts
5. University of Rochester, Rochester, New York
6. Brigham and Women’s Hospital, Boston, Massachusetts
7. Parkinson’s Foundation Research Advocates, Parkinson’s Foundation, New York, New York
8. Division of Clinical Research, National Institute of Neurological Disorders and Stroke, Bethesda, Maryland
9. Harvard Medical School, Boston, Massachusetts
10. Institute for Neurodegenerative Disorders, New Haven, Connecticut
11. Tufts School of Medicine and Division of Cardiology, Tufts Medical Center, Boston, Massachusetts
12. Friedman School of Nutrition Science and Policy, Boston, Massachusetts
13. Department of Neurology, University of Rochester Medical Center, Rochester, New York
14. Duke University, Durham, North Carolina
15. Duke Medical Center, Durham, North Carolina
16. Inland Northwest Research, Spokane, Washington
17. Selkirk Neurology, Spokane, Washington
18. University Hospitals Cleveland Medical Center, Cleveland, Ohio
19. University of California, Irvine
20. Weill Cornell Medical College, New York, New York
21. Oregon Health & Science University, Portland
22. University of South Florida, Tampa
23. Rush University Medical Center, Chicago, Illinois
24. Veracity Neuroscience LLC, Memphis, Tennessee
25. Medical University of South Carolina, Charleston
26. Rocky Mountain Movement Disorders Center, Englewood, Colorado
27. University of Cincinnati, Cincinnati, Ohio
28. Icahn School of Medicine at Mount Sinai, New York, New York
29. Baylor College of Medicine, Houston, Texas
30. University of California, San Francisco
31. University of Colorado, Denver
32. Ayer Neuroscience Institute, Hartford HealthCare, Hartford, Connecticut
33. Butler Hospital, Providence, Rhode Island
34. University of California, San Diego
35. Beth Israel Deaconess Medical Center, Boston, Massachusetts
36. Northwestern University Feinberg School of Medicine, Chicago, Illinois
37. The University of Texas Health Science Center, Houston McGovern Medical School, Houston
38. University of Michigan, Ann Arbor
39. The Ohio State University Wexner Medical Center, Columbus
40. University of Nebraska Medical Center, Omaha
41. Washington University School of Medicine in St Louis, St Louis, Missouri
42. Johns Hopkins School of Medicine, Baltimore, Maryland
43. Albany Medical College, Albany, New York
44. Banner Sun Health Research Institute, Sun City, Arizona
45. University of Arizona School of Medicine–Phoenix
46. Mayo Clinic Arizona, Scottsdale
47. Cleveland Clinic, Cleveland, Ohio
48. University of Pennsylvania, Philadelphia
49. Vanderbilt University Medical Center, Nashville, Tennessee
50. The University of Alabama at Birmingham
51. UC Davis, Davis, California
52. University of Texas Southwestern Medical Center, Dallas
53. University of Vermont, Burlington
54. University of Vermont Medical Center, Burlington
55. University of Pittsburgh, Pittsburgh, Pennsylvania
56. VCU Parkinson’s & Movement Disorders Center, Richmond, Virginia
57. University of Virginia, Charlottesville
58. Boston University School of Medicine, Boston, Massachusetts
59. Boston Medical Center, Boston, Massachusetts
60. Indiana University, Bloomington
61. University of Maryland School of Medicine, Baltimore
62. University of Kansas Medical Center, Kansas City
63. Henry Ford Hospital–West Bloomfield, West Bloomfield Township, Michigan
64. Michigan State University, East Lansing
65. Ochsner Medical Center, Jefferson, Louisiana
66. Ochsner Health System, Jefferson, Louisiana
67. Sentara Neurology Specialists, Norfolk, Virginia
68. Center for Movement Disorders and Neurodegenerative Disease, Northwestern Medicine/Central DuPage Hospital, Winfield, Illinois
69. Cleveland Clinic–Las Vegas, Las Vegas, Nevada
70. University of Puerto Rico, San Juan
71. Medical College of Wisconsin, Milwaukee
72. Atlantic Neuroscience Institute, Summit, New Jersey
73. Augusta University, Augusta, Georgia
74. Texas Movement Disorder Specialists, Georgetown
75. Scott & White Healthcare/Texas A&M University, Temple
76. Baylor Scott & White Health, Temple, Texas
77. State University of New York Downstate Medical Center, Brooklyn
78. Columbia University, New York, New York
79. University of Rochester Medical Center, Rochester, New York
80. University of Toronto, Toronto, Ontario, Canada
81. Edmond J. Safra Program in Parkinson’s Disease, Toronto Western Hospital, Toronto, Ontario, Canada
82. University of Ottawa, Ottawa, Ontario, Canada