1. Moss Rehabilitation Research Institute, Elkins Park, PA, USA
2. Department of Rehabilitation Research, Baylor Scott and White Institute for Rehabilitation, Dallas, TX, USA
3. Department of Physical Medicine and Rehabilitation, Baylor College of Medicine, Houston, TX, USA
4. Brain Injury Research Center, TIRR Memorial Hermann, Houston, TX, USA
5. Division of Rehabilitation Sciences, School of Health Professions, University of Texas Medical Branch at Galveston, TX, USA
6. Department of Rehabilitation Medicine, Department of Neurology Icahn School of Medicine at Mount Sinai, New York, NY, USA
7. American Institutes for Research, Washington, DC, USA
8. Department of Medical Psychology, Baylor Scott and White Medical Center, Plano, TX, USA