1. From the Departments of Medicine and of Epidemiology and Public Health (H.M.K.), Yale University School of Medicine and Yale-New Haven Health Center for Outcomes Research and Evaluation, New Haven, Conn; Duke University Medical Center and Duke Clinical Research Institute (E.D.P.), Durham, NC; Department of Medicine (J.Z.A.), Brigham and Women’s Hospital and Harvard Medical School, and the Department of Health Care Policy, Harvard Medical School, Boston, Mass; Department of Medicine (M.E.C.),...