1. Baylor College of Medicine; Houston TX USA
2. Michael E. DeBakey VA Medical Center; Houston TX USA
3. Department of Psychology; University of Manitoba; Winnipeg Manitoba Canada
4. Department of Psychiatry; University of Manitoba; Winnipeg Manitoba Canada
5. Department of Psychiatry; Yale University School of Medicine; New Haven CT USA
6. VA Connecticut Healthcare System; New Haven CT USA
7. United States Department of Veterans Affairs National Center for Posttraumatic Stress Disorder, VA Connecticut Healthcare System; West Haven CT USA