1. Sean M. Healey & AMG Center for ALS & the Neurological Clinical Research Institute Massachusetts General Hospital, Harvard Medical School Boston Massachusetts
2. Department of Physical Medicine and Rehabilitation, Spaulding Rehabilitation Hospital Harvard Medical School Boston Massachusetts
3. Pentara Corporation Millcreek Utah
4. Department of Medicine, Biostatistics Center Massachusetts General Hospital, Harvard Medical School Boston Massachusetts
5. Swedish Neuroscience Institute Seattle Washington
6. Departments of Neurology and Medicine Hennepin Healthcare Minneapolis Minnesota
7. Department of Neurology Oregon Health & Science University Portland Oregon
8. Department of Neurology Wake Forest School of Medicine Winston‐Salem North Carolina
9. Department of Neurology University of Massachusetts Memorial Medical Center Worcester Massachusetts
10. Department of Neurology The Ohio State University College of Medicine Columbus Ohio
11. Department of Neurology University of Florida College of Medicine Gainesville Florida
12. Department of Neurology University of Michigan Ann Arbor Michigan
13. Texas Neurology Dallas Texas
14. Department of Neurology, Lewis Katz School of Medicine Temple University Philadelphia Pennsylvania
15. Department of Neurology The University of Texas Health Science Center at San Antonio San Antonio Texas
16. Department of Neurology University of Pennsylvania Perelman School of Medicine Philadelphia Pennsylvania
17. Brain Science Institute and Department of Neurology Johns Hopkins University Baltimore Maryland
18. Department of Neurology University of Kentucky College of Medicine Lexington Kentucky
19. California Pacific Medical Center Research Institute and Forbes Norris MDA/ALS Research and Treatment Center San Francisco California
20. Department of Neurology, Gregory W. Fulton ALS Center Barrow Neurological Institute Phoenix Arizona
21. Department of Neurology Washington University School of Medicine in St. Louis St. Louis Missouri
22. Department of Neurology, Mount Sinai Beth Israel Icahn School of Medicine at Mount Sinai New York New York
23. Department of Neurology University of South Florida Morsani College of Medicine Tampa Florida
24. Departments of Neurology and Pathology Emory University School of Medicine Atlanta Georgia
25. Department of Neurology Ochsner Health System New Orleans Louisiana
26. Department of Neurology University of Iowa Carver College of Medicine Iowa City Iowa
27. Department of Neurology University of California, Irvine School of Medicine Irvine California
28. Neurology Associates Lincoln Nebraska
29. Independent Consultant Nobleboro Maine
30. Statistics Collaborative, Inc. Washington District of Columbia
31. Amylyx Pharmaceuticals, Inc. Cambridge Massachusetts
32. Harvard University Cambridge Massachusetts