1. Department of Neurosurgery, Medical College of Wisconsin, Milwaukee
2. Department of Neurology, Medical College of Wisconsin, Milwaukee
3. Independent consultant
4. Moss Rehabilitation Research Institute, Elkins Park, Pennsylvania
5. Department of Psychiatry, University of California, San Diego, La Jolla
6. Department of Family Medicine and Public Health, University of California, San Diego, La Jolla
7. VA San Diego Healthcare System, San Diego, California
8. Department of Physical Medicine and Rehabilitation, Harvard Medical School, Boston, Massachusetts
9. Spaulding Rehabilitation Hospital, Charlestown, Massachusetts
10. TIRR Memorial Hermann, Department of Physical Medicine and Rehabilitation, Baylor College of Medicine, Houston, Texas
11. Department of Neurological Surgery, University of California, San Francisco, San Francisco
12. University of Cincinnati, Cincinnati, Ohio
13. University of Maryland, College Park
14. University of Washington, Seattle
15. Massachusetts General Hospital, Boston
16. University of Miami, Florida
17. Ohio State University, Columbus
18. University of Southern California, Los Angeles
19. University of Pennsylvania, Philadelphia
20. MassGeneral Hospital for Children, Boston, Massachusetts
21. Virginia Commonwealth University, Richmond
22. University of California, San Francisco
23. TIRR Memorial Hermann, Houston, Texas
24. Baylor College of Medicine, Houston, Texas
25. University of California, San Diego
26. University of Michigan, Ann Arbor
27. Vanderbilt University, Nashville, Tennessee
28. UT Southwestern Medical Center, Dallas, Texas
29. Indiana University, Bloomington
30. University of Pittsburgh, Pittsburgh, Pennsylvania
31. University of Texas at Austin, Austin, Texas
32. University of Florida, Gainesville
33. Harvard Medical School, Boston, Massachusetts