1. Department of Neurology, University of Minnesota Twin Cities, St. Louis Park, Minnesota, USA.
2. Department of Neurology, Medical University of South Carolina, Charleston, South Carolina, USA.
3. Department of Neurology, University of Tennessee Health Science Center/Baptist Medical Group, Memphis, Tennessee, USA.
4. Department of Neurology, Brown University, Providence, Rhode Island, USA.
5. School of Statistics, University of Minnesota Twin Cities, Minneapolis, Minnesota, USA.
6. Department of Neurology, Baylor College of Medicine, Houston, Texas, USA.
7. Department of Neurology, Duke University Medical Center, Durham, North Carolina, USA.
8. Department of Neurology, Boston Medical Center, Boston University, Boston, Massachusetts, USA.
9. Department of Neurology, Wake Forest University School of Medicine, Winston-Salem, North Carolina, USA.
10. Department of Neurology, University of Wisconsin-Madison, Madison, Wisconsin, USA.
11. Neurology, Stanford Medicine, Stanford, California, USA.
12. Department of Neurology, The University of Oklahoma Health Sciences Center, Oklahoma City, Oklahoma, USA.
13. Department of Neurology & Neurological Sciences, Stanford University, Stanford, California, USA.
14. Department of Neurosciences, University of California, San Diego, La Jolla, California, USA.
15. Department of Neurology, University of Florida College of Medicine - Jacksonville, Jacksonville, Florida, USA.
16. Kentucky Neuroscience Institute and Department of Neurology, University of Kentucky, Lexington, Kentucky, USA.
17. Department of Neurology, Penn State Health, Hershey, Pennsylvania, USA.
18. Department of Neurology, SUNY Upstate Medical University, Syracuse, New York, USA.
19. Department of Neurology, Cleveland Clinic, Cleveland, Ohio, USA.
20. Department of Neurology, Indiana University, Indianapolis, Indiana, USA.
21. Department of Neurology, Duke University, Durham, North Carolina, USA.
22. Department of Neurology, UT Southwestern Medical Center, Dallas, Texas, USA.
23. Division of Biostatistics, University of Minnesota Twin Cities, Minneapolis, Minnesota, USA.
24. Department of Physical Medicine & Rehabilitation, Harvard Medical School, Massachusetts General Hospital, Boston, Massachusetts, USA.
25. Department of Management & Entrepreneurship, DePaul University, Chicago, Illinois, USA.
26. Departments of Neurology and Neurobiology, University of Alabama at Birmingham, Birmingham, Alabama, USA.