1. National Center for PTSD Dissemination and Training Division, VA Palo Alto Health Care System, Palo Alto, CA, USA
2. VA HSR&D Houston Center of Innovations in Quality, Effectiveness and Safety, Michael E. DeBakey VA Medical Center, Houston, TX, USA
3. Department of Medicine, Baylor College of Medicine, Houston, TX, USA
4. Menninger Department of Psychiatry and Behavioral Sciences, Baylor College of Medicine, Houston, TX, USA
5. VA South Central Mental Illness Research, Education and Clinical Center, Houston, TX, USA
6. VA New York Harbor Healthcare System, New York, NY, USA
7. Department of Psychiatry and Behavioural Sciences, Stanford University, Stanford, CA, USA