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