1. From the Department of Medicine (J.-B.G., M.-A.C., P.P., M.D., B.T., N.C.P., A.D., F.M., F.-P.M., A.W.A., R.I., P.K., B.M.), Adult Congenital Heart Disease Center (M.-A.C., N.C.P., A.D., F.M., F.-P.M., A.W.A., R.I., P.K., B.M.), and Coordination Center (A.S.), Montreal Heart Institute, Université de Montréal, Canada.