1. Department of Psychiatry Center for the Study of Traumatic Stress Uniformed Services University of the Health Sciences Bethesda Maryland USA
2. Henry M. Jackson Foundation for the Advancement of Military Medicine, Inc. Bethesda Maryland USA
3. Department of Psychology Harvard University Cambridge Massachusetts USA
4. Department of Preventive Medicine and Biostatistics Uniformed Services University of the Health Sciences Bethesda Maryland USA
5. Department of Health Care Policy Harvard Medical School Boston Massachusetts USA
6. Department of Psychiatry University of California San Diego La Jolla California USA
7. Department of Family Medicine and Public Health University of California San Diego La Jolla California USA
8. VA San Diego Healthcare System La Jolla California USA