1. Behavioral Science Divison, National Center for PTSD, Boston, Massachusetts, USA
2. VA Boston Healthcare System, Boston, Massachusetts, USA
3. Department of Psychiatry, Boston University Chobanian & Avedisian School of Medicine, Boston, Massachusetts, USA
4. VISN 2 Mental Illness Research, Education, and Clinical Center (MIRECC), James J Peters Veteran Affairs Medical Center, Bronx, New York, USA
5. Sierra Pacific Mental Illness Research, Education, and Clinical Center (MIRECC), VA Palo Alto Health Care System, Palo Alto, California, USA
6. Department of Psychiatry and Behavioral Sciences, Stanford University School of Medicine, Stanford, California, USA
7. School of Psychology, The University of Queensland, Brisbane, QLD, Australia
8. Department of Psychiatry, Icahn School of Medicine at Mount Sinai, New York, New York, USA