1. National Center on Homelessness among Veterans, U.S. Department of Veterans Affairs, Homeless Programs Office, Washington, DC, USA
2. School of Public Health, University of Texas Health Science Center at Houston, Houston, TX, USA
3. Department of Psychiatry, Yale University School of Medicine, New Haven, CT, USA
4. Veterans Justice Programs, U.S. Department of Veterans Affairs, Homeless Programs Office, Washington, DC, USA