1. From the Departments of Cardiology (D.v.d.L., J.W.R.-H., M.W., S.C.Y.), Cardiothoracic Surgery (D.v.d.L., H.J.H., A.J.J.C.B., J.J.M.T.), and Biostatistics (D.R.), Erasmus University Medical Center, Rotterdam, the Netherlands; Department of Cardiology, University Hospital Gasthuisberg, Leuven, Belgium (W.B.); Department of Cardiology, Radboud University Nijmegen Medical Center, Nijmegen, the Netherlands (A.P.J.v.D.); and Toronto Congenital Cardiac Centre for Adults, Division of Cardiology, Peter Munk...