1. From the University of Miami Miller School of Medicine, Miami, FL (R.J.M.); Johns Hopkins Medical Institutions (H.H., J.E.V.E., M.L.W.); National Heart, Lung, and Blood Institute, National Institutes of Health, Bethesda, MD (D.A.E., R.B., D.A.L., G.S., J.D.W.); Cedars-Sinai Heart Institute, Los Angeles, CA (S.S.C., J.I.G.); University of Calgary, Calgary, AB, Canada (A.M.G.); University of Toronto, Toronto, ON, Canada (P.L.); UCLA Harbor Medical Center, Torrance, CA (J.T.N.); Virginia Commonwealth...