[1] VA Connecticut Healthcare Syst, 950 Campbell Ave, West Haven, CT 06516 USA
[2] Yale Univ Sch Med, Dept Psychiat, New Haven, CT USA
[3] US Dept Vet Affairs, Natl Ctr PTSD, West Haven, CT USA
[4] West Haven VA Med Ctr, Northeast Program Evaluat Ctr, VA Off Mental Hlth & Suicide Prevent, West Haven, CT USA
[5] Dept Vet Affairs, VA Off Mental Hlth & Suicide Prevent, Washington, DC USA
[6] Philadelphia VA Med Ctr, Philadelphia, PA USA