1. Center of Excellence for Stress and Mental Health, VA San Diego Healthcare System, Department of Psychiatry, University of California, San Diego, California, USA
2. Department of Psychiatry, University of California, San Diego, California, USA
3. Department of Psychology, VA San Diego Healthcare System, San Diego, California, USA
4. Department of Psychology, San Diego State University, San Diego, California, USA
5. Department of Family Medicine and Public Health, University of California, San Diego, California, USA