1. Center for Congenital Heart Disease Amsterdam-Leiden (E.P., P.K., A.D.E., M.C.D., M.R.M.J.), Leiden University Medical Center, the Netherlands.
2. Department of Anatomy and Embryology (E.P., J.M.v.G., M.C.D., M.R.M.J.), Leiden University Medical Center, the Netherlands.
3. Department of Radiology (J.L.S.), Leiden University Medical Center, the Netherlands.
4. Department of Cardiology (P.K., A.D.E., M.R.M.J.), Leiden University Medical Center, the Netherlands.
5. Department of clinical Genetics (T.T.K., T.v.D., D.Q.C.M.B.-S.), Leiden University Medical Center, the Netherlands.