1. From the Institute Dante Pazzanese of Cardiology (J.E.S., A.G.M.R.S., A.C.A., A.C.S., A.S.A., F.F., L.A.M.), São Paulo, Brazil; University of Florida-Shands (M.A.C.), Jacksonville, Fla; Thoraxcenter (P.W.S.), Dijkzigt University Hospital, Rotterdam, the Netherlands; Cordis (R.F., J.J.), a Johnson & Johnson Company, Warren, NJ; and Brigham and Women’s Hospital (J.J.P.), Boston, Mass.