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1 From the Center for Health Care Innovation, Perelman School of Medicine, and the Wharton School, University of Pennsylvania, and the Center for Health Equity Research and Promotion, Philadelphia Veterans Affairs Medical Center - both in Philadelphia (D.A.A.); and the Department of Medicine, Massachusetts General Hospital, Partners Health Care System, and Harvard Medical School - all in Boston (D.F.W.).
1 From the Center for Health Care Innovation, Perelman School of Medicine, and the Wharton School, University of Pennsylvania, and the Center for Health Equity Research and Promotion, Philadelphia Veterans Affairs Medical Center - both in Philadelphia (D.A.A.); and the Department of Medicine, Massachusetts General Hospital, Partners Health Care System, and Harvard Medical School - all in Boston (D.F.W.).