1. From the Cardiovascular Research Center, Division of Cardiology, Department of Medicine, Massachusetts General Hospital, Boston, MA (J.X.C., M.K., M.A.D., M.R.-A., S.G., M.C.E., K.R., D.M., S.M.W.); German Heart Center Munich, Department of Cardiovascular Surgery, Department of Experimental Surgery, Technische Universität München, Munich, Germany (M.K., M.A.D.); Division of Cardiovascular Medicine, Department of Medicine, Stanford University School of Medicine, Stanford, CA (L.W., J.C.W.); Division...