[1] US Dept Vet Affairs, Natl Ctr Homelessness Vet, Philadelphia, PA USA
[2] US Dept Vet Affairs, Ctr Healthcare Outcomes & Implementat Res, Bedford, MA USA
[3] Boston Univ, Sch Social Work, 264 Bay State Rd, Boston, MA 02215 USA
[4] Univ Hartford, Grad Inst Profess Psychol, West Haven, CT USA
[5] VA Salt Lake City Hlth Care Syst, IDEAS Ctr Innovat, Salt Lake City, UT USA
[6] Univ Utah, Sch Med, Dept Internal Med, Div Epidemiol, Salt Lake City, UT USA
[7] US Dept Vet Affairs, VA Connecticut Healthcare Syst, New England Mental Illness Res Educ & Clin Ctr, West Haven, CT USA
[8] Univ Texas Hlth Sci Ctr Houston, Sch Publ Hlth, Houston, TX 77030 USA
[9] Yale Univ, Sch Med, Dept Psychiat, New Haven, CT USA