1. Department of Criminal Justice & Sociology, University of North Texas at Dallas, Dallas, TX, USA
2. VA North Texas Health Care System, Dallas, TX, USA
3. Department of Internal Medicine, The University of Texas Southwestern Medical Center, Dallas, TX, USA
4. Dallas VA Research Corporation, Dallas, TX, USA
5. National Center on Homelessness Among Veterans, Philadelphia, PA, USA
6. VA South Texas Veterans Health Care System, San Antonio, TX, USA