1. From the Division of Cardiology, Department of Medicine (V.K.T., A.R.G., B.F., A.F.G.G.-F., A.B., M.Y., D.M.M., P.C.C.) and Division of Cardiothoracic Surgery, Department of Surgery (B.C., K.T., H.T., Y.N.), Columbia University Medical Center–New York Presbyterian, New York.