1. Department of Psychiatry and Biobehavioral Sciences at the David Geffen School of Medicine University of California Los Angeles USA
2. Department of Biostatistics University of California Los Angeles USA
3. Veterans Affairs Greater Los Angeles Healthcare System Los Angeles CA USA
4. Department of Health Promotion and Policy University of Massachusetts Amherst Amherst MA USA
5. Department of Psychology University of Southern California Los Angeles USA
6. Emmes Corporation Rockville MD USA
7. Department of Health Policy and Management at the Fielding School of Public Health University of California Los Angeles CA USA
8. Department of Psychiatry and Behavioral Sciences University of Washington School of Medicine WA Seattle USA
9. Veterans Affairs Puget Sound Health Care System Seattle WA USA