1. Center for Health Equity Research and Promotion, VA Pittsburgh Healthcare System, and Department of Epidemiology, University of Pittsburgh School of Public Health, Pittsburgh, Pennsylvania (D.A.F.)
2. Division of Cardiology, Department of Medicine, University of Pittsburgh School of Medicine, Pittsburgh, Pennsylvania (A.E.J.)
3. Center for Health Equity Research and Promotion, VA Pittsburgh Healthcare System, and Division of General Internal Medicine, Department of Medicine, University of Pittsburgh School of Medicine, Pittsburgh, Pennsylvania (L.R.M.H., W.F.G.)
4. Department of Health Policy and Management, University of Pittsburgh School of Public Health, Pittsburgh, Pennsylvania (E.T.R.)
5. Center for Health Equity Research and Promotion, VA Pittsburgh Healthcare System, and Division of Gastroenterology, Hepatology and Nutrition, Department of Medicine, University of Pittsburgh School of Medicine, Pittsburgh, Pennsylvania (R.K.V.)