[1] Univ Calif Los Angeles, Dept Psychol, Los Angeles, CA USA
[2] Natl Ctr PTSD, VA Connecticut Healthcare Syst, US Dept Vet Affairs, West Haven, CT USA
[3] Yale Univ, Dept Psychiat, Sch Med, New Haven, CT USA
[4] Yale Univ, Dept Social & Behav Sci, Sch Publ Hlth, New Haven, CT USA
[5] Univ Calif Los Angeles, Dept Psychol, Psychol Bldg 1285,Box 951563, Los Angeles, CA 90095 USA