1. From the Department of Medicine (R.R.T., J.A.C., M.J.D., M.P.J.) and Center for Clinical Epidemiology and Biostatistics (M.P.J.), University of Pennsylvania, Philadelphia, Pa; Department of Medicine (A.P., M.A.W.), University of Maryland School of Medicine, Baltimore, Md; Department of Medicine (S.M.S.), Johns Hopkins University School of Medicine, Baltimore, Md; Department of Medicine (J.P.L.), University of Illinois, Chicago, Ill; Tulane University Schools of Medicine and Public Health and...