1. VA Eastern Colorado Health Care System, University of Colorado, Denver, CO, USA
2. University of Colorado Denver School of Medicine, Aurora, CO, USA
3. Department of Sociology & Criminology, University of Denver Graduate School of Social Work, Denver, CO, USA
4. University of Colorado School of Public Health, Aurora, CO, USA
5. University of Colorado Denver School of Nursing, Aurora, CO, USA
6. Providence VA Medical Center, Providence, RI, USA
7. Brown University Warren Alpert Medical School, Providence, RI, USA