1. From the Cardiology Division (J.J.W., G.W., E.A., R.J.L.) and Cardiovascular Surgery (M.B., F.W.S.), Beth Israel Deaconess Medical Center, Harvard Medical School, Boston MA; Division of Cardiac Surgery, Lenox Hill Hospital, New York, NY (A.R.); Kwangju Christian Hospital, Gwangju, Korea (S.U.L.); Hopital Laval, Quebec, QC, Canada (P.V.); and Interventional Cardiology, Thoraxcenter, Erasmus Medical Center, Rotterdam, the Netherlands (J.J.W.).