1. Department of Psychiatry and Behavioral Sciences, Duke University Medical Center, Durham, North Carolina
2. National Center for Posttraumatic Stress Disorder, Veterans Affairs Boston Healthcare System, Boston, Massachusetts3Department of Psychiatry, Boston University School of Medicine, Boston, Massachusetts
3. Department of Psychiatry, The University of Texas Health Science Center at San Antonio5Office of Research and Development, South Texas Veterans Health Care System, San Antonio
4. Department of Behavioral Health, Headquarters, Carl R. Darnall Army Medical Center, Ft Hood, Texas
5. Department of Psychiatry, The University of Texas Health Science Center at San Antonio5Office of Research and Development, South Texas Veterans Health Care System, San Antonio7Department of Psychology, The University of Texas at San Antonio
6. Department of Psychiatry, The University of Texas Health Science Center at San Antonio5Office of Research and Development, South Texas Veterans Health Care System, San Antonio8Department of Epidemiology and Biostatistics, University of Texas Health Science Center at San Antonio
7. Department of Psychiatry, The University of Texas Health Science Center at San Antonio9currently with the School of Social Work at University of Texas, Austin
8. Department of Psychiatry, The University of Texas Health Science Center at San Antonio
9. Department of Psychiatry, Perelman School of Medicine, University of Pennsylvania, Philadelphia
10. Department of Psychiatry, Boston University School of Medicine, Boston, Massachusetts11Massachusetts Veterans Epidemiological Research and Information Center, Veterans Affairs Boston Healthcare System, Boston12Department of Psychological and Brain Sciences, Boston University, Boston, Massachusetts