1. From the Department of Cardiology (A.C.T.N., V.D., F.v.d.K., M.S., N.R.L.v.d.V., M.B., G.N., R.G.v.B., L.F.T., J.S., M.J.S., J.B.), the Department of Cardiothoracic Surgery (A.d.W., G.T.), and the Department of Radiology (A.d.R., L.J.K.), Leiden University Medical Center, Leiden, The Netherlands; and the Department of Cardiology (D.Y.L.), Liverpool Hospital, Sydney, New South Wales, Australia.