1. Department of Psychiatry and Behavioral Sciences, Stanford University School of Medicine, Palo Alto, California
2. National Center for PTSD, Veterans Affairs Palo Alto Health Care System, Palo Alto, California
3. Department of Psychology, University of Nebraska–Lincoln, Lincoln, Nebraska
4. Department of Psychology, Palo Alto University, Palo Alto, California
5. School of Social Work, University of Washington, Seattle, Washington
6. Veterans Health Administration, Bend, Oregon