| Affiliation: | 1. Department of Veterans Affairs Palo Alto Health Care System, Spinal Cord Injury and Disorders Center, Palo Alto, CA;2. Department of Neurosurgery, Stanford University School of Medicine, Stanford, CA;3. Department of Physical Medicine and Rehabilitation, University of Pennsylvania, Philadelphia, PA;4. Perelman School of Medicine University of Pennsylvania, Philadelphia, PA;5. Center for Clinical Epidemiology and Biostatistics, University of Pennsylvania, Philadelphia, PA;6. Department of Psychiatry, University of Pennsylvania, Philadelphia, PA;7. Mental Illness Research Education and Clinical Center Philadelphia Veterans Affairs Medical Center, Philadelphia, PA |
