[1] Portland VA Med Ctr, Portland CIVIC, Portland, OR 97207 USA
[2] Oregon Hlth & Sci Univ, Dept Psychiat, Portland, OR 97201 USA
[3] VA New Jersey Hlth Care Syst, War Related Illness & Injury Study Ctr, E Orange, NJ USA
[4] Rutgers State Univ, New Jersey Med Sch, Dept Med, Newark, NJ 07102 USA
[5] Richard L Roudebush Vet Affairs Med Ctr, Indianapolis, IN 46202 USA