1. Department of Rehabilitation Medicine, University of Texas Health Science Center, San Antonio, Texas, USA
2. South Texas Veteran’s Health Care System, San Antonio, Texas, USA
3. Department of Medicine, University of Texas Health Science Center, San Antonio, Texas, USA
4. Department of Psychiatry, University of Texas Health Science Center, San Antonio, Texas, USA
5. The National Center of Excellence, James J. Peters VA Medical Center, Bronx, New York, USA
6. Department of Rehabilitation Medicine Icahn School of Medicine, Mount Sinai Hospital, New York, New York, USA