1. Department of Physical Medicine and Rehabilitation, Indiana University School of Medicine, Indianapolis, Indiana.
2. Department of Physical Medicine and Rehabilitation, Harvard Medical School, Boston, Massachusetts.
3. Health Services Research and Development Service, Center of Innovation for Disability and Rehabilitation Research, and Defense and Veterans Brain Injury Center, James A. Haley Veterans Hospital, University of South Florida, Tampa, Florida.
4. College of Medicine, University of South Florida, Tampa, Florida.
5. TIRR Memorial Hermann, Houston, Texas.
6. Spaulding Rehabilitation Hospital, Massachusetts General Hospital, Brigham and Women's Hospital, Department of Physical Medicine and Rehabilitation, Harvard Medical School, Boston, Massachusetts.
7. Moss Rehabilitation Research Institute, Elkins Park, Pennsylvania.
8. Departments of Neurology and Psychiatry, Center for Mental Health, Marcus Institute for Brain Health, University of Colorado School of Medicine, Gunnison, Colorado.
9. Department of Pediatrics, University of Arkansas for Medical Sciences, Little Rock, Arkansas.