1. VA Rocky Mountain Mental Illness Research Education and Clinical Center (RM MIRECC), Rocky Mountain Regional Veterans Affairs Medical Center (RMR VAMC), Eastern Colorado Health Care System, Aurora, Colorado, USA
2. Department of Physical Medicine & Rehabilitation (PM&R), University of Colorado, Aurora, Colorado, USA
3. Spinal Cord Injury/Disorder Clinic, RMR VAMC, Eastern Colorado Health Care System, Aurora, Colorado, USA
4. Departments of Psychiatry, & Neurology, University of Colorado, Aurora, Colorado, USA