1. Department of Paediatric Cardiology and Congenital Heart Disease (S.S., S.J.M., C.P.S., C.M., P.E., O.T.), Technical University of Munich.
2. Department of Cardiovascular Surgery (K.V., B.V.), Technical University of Munich.
3. German Heart Centre Munich, and Institute of Pathology (G.W.), Technical University of Munich.