[1] Indiana Univ, Dept Psychol & Brain Sci, 1101 E 10th St, Bloomington, IN 47405 USA
[2] Univ Missouri, Dept Psychol Sci, 320 S 6th St, Columbia, MO 65211 USA
[3] VA Palo Alto Hlth Care Syst, Natl Ctr PTSD, 795 Willow Rd,PTSD334, Menlo Pk, CA 94025 USA
[4] Univ Arkansas Med Sci, Div Hlth Serv Res, Dept Psychiat, 4301 W Markham St,755, Little Rock, AR 72205 USA
[5] Univ Washington, Harborview Med Ctr, Dept Psychiat & Behav Sci, Box 359911,325 Ninth Ave, Seattle, WA 98104 USA