1. Veterans Affairs (VA) Informatics and Computing Infrastructure, VA Salt Lake City Health Care System, Salt Lake City, Utah
2. Division of Epidemiology, Department of Internal Medicine, The University of Utah, Salt Lake City
3. Department of Family and Preventive Medicine, The University of Utah, Salt Lake City
4. Department of Public Health and Health Sciences, University of Massachusetts, Amherst
5. Suzanne Dworak-Peck School of Social Work, University of Southern California, Los Angeles
6. Center for Health Equity Research and Promotion, VA Pittsburgh Healthcare System, Pittsburgh, Pennsylvania