1. Department of Physical Medicine and Rehabilitation, Indiana University School of Medicine, Indianapolis, IN, USA
2. Rehabilitation Hospital of Indiana, Indianapolis, IN, USA
3. Emeritus Professor of Psychology, Mayo Clinic, Rochester, MN, USA
4. HSR&D, Durham VA Medical Center, Durham, NC, USA
5. Department of Medicine, Duke University, Durham, NC, USA
6. RAND Corporation, Arlington, VA, USA
7. DAV National Service & Legislative Headquarters, Washington, DC, USA
8. Miami Shores, FL, USA