1. From Saint Luke’s Mid America Heart Institute and the University of Missouri–Kansas City, Kansas City (J.A.S., P.G.J.), and the Center for Comprehensive Cardiovascular Care, St. Louis University School of Medicine, St. Louis (B.R.C.) — all in Missouri; the Department of Medicine, Stanford University School of Medicine, Stanford, CA (D.J.M., G.M.C.); Duke Clinical Research Institute, Durham, NC (D.B.M., S.M.O.); the National Heart, Lung, and Blood Institute, National Institutes of Health, Bethesda, MD (J...