1. Deployment Health Research Department; Naval Health Research Center; San Diego CA USA
2. Department of Medicine; Naval Medical Center San Diego; San Diego CA USA
3. Department of Psychiatry and Behavioral Sciences; Duke University Medical Center and VA Mid-Atlantic Mental Illness Research, Education and Clinical Center (VISN 6 MIRECC); Durham NC USA
4. Steven and Alexandra Cohen Veterans Center for Posttraumatic Stress and Traumatic Brain Injury, Department of Psychiatry; New York University Langone Medical Center; New York USA
5. Abt Associates; Durham NC USA