1. From the Experimental and Molecular Cardiology Group (R.C., S.C., T.T.K., A.O.V., J.R.d.G., C.R.B., M.W.V., A.C.L., H.L.T., A.A.M.W., J.M.T.d.B.) and the Departments of Clinical Genetics (Z.B., C.R.B.) and Cardiovascular Pathology (A.C.v.d.W.), Academic Medical Center, and the Interuniversity Cardiology Institute of the Netherlands (F.J.G.W.-S., J.M.T.d.B.), Amsterdam, the Netherlands, and the Cardiovascular Center (P.B.), OLV Hospital, Aalst, Belgium.