1. Department of Psychiatry; Center for the Study of Traumatic Stress; Uniformed Services University of the Health Sciences; Bethesda MD USA
2. Department of Psychology; Harvard University; Cambridge MA USA
3. Department of Health Care Policy; Harvard Medical School; Boston MA USA
4. Institute for Social Research; University of Michigan; Ann Arbor MI USA
5. Department of Psychiatry; University of California San Diego; La Jolla CA USA
6. Department of Family Medicine and Public Health; University of California San Diego; La Jolla CA USA
7. VA San Diego Healthcare System; La Jolla CA USA