1. From the Divisions of Cardiology, Cardiothoracic Surgery, and Molecular Medicine, University of Utah School of Medicine, Salt Lake City (S.G.D., A.G.K., J.S., C.H.S., B.B.R., D.Y.L.); Cardiovascular Department, Intermountain Medical Center, Salt Lake City, UT (S.G.D., A.G.K., B.B.R.); UTAH Cardiac Transplant Program, Salt Lake City (S.G.D., A.G.K., J.S., C.H.S., B.B.R.); and Third Division of Cardiology, University of Athens, Athens, Greece (S.G.D., J.V.T., J.N.N.).