1. Mental Health Service (116B), San Francisco Virginia Medical Center, San Francisco, California, USA
2. Department of Psychiatry and Behavioral Sciences, University of California, San Francisco, California, USA
3. Department of Psychology, Palo Alto University, Palo Alto, California, USA
4. Office of Mental Health and Suicide Prevention, U.S. Department of Veterans Affairs Central Office, Washington, District of Columbia, USA
5. VISN 6 Mental Illness Research, Education, and Clinical Center, Durham Veterans Affairs Mental Health Center, Durham, North Carolina, USA