1. Department of Psychology, University of North Texas, Denton, TX
2. Department of Psychiatry, University of Texas Health Science Center at San Antonio, San Antonio, TX
3. Carl R. Darnall Army Medical Center, Fort Hood, TX
4. South Texas Veterans Healthcare System, San Antonio, TX
5. Department of Psychology, University of Texas at San Antonio, San Antonio, TX
6. Department of Epidemiology and Biostatistics, University of Texas Health Science Center at San Antonio, San Antonio, TX
7. Massachusetts Veterans Epidemiology Research and Information Center, VA Boston Healthcare System, Boston, MS
8. Department of Psychiatry, Boston University School of Medicine, Boston, MA
9. Department of Psychiatry and Behavioral Sciences, Duke University Medical Center, Durham, NC
10. Durham VA Medical Center, Durham, NC