1. From the Division of Cardiology, Department of Medicine (R.J.M., J.H., A.F.H.), and the Department of Biostatistics and Bioinformatics (F.W.R.), Duke University School of Medicine, and Duke Clinical Research Institute (R.J.M., J.G., F.W.R., L.S., J.H., A.F.H.) — both in Durham, NC; Baylor Scott and White Research Institute, Dallas (J.B.); the Department of Medicine, University of Mississippi, Jackson (J.B.); Flinders Medical Centre, Flinders University, Adelaide, SA (C.G.D.P.), and the Department of...