Dittrich, Sven, Graf, Erika, Trollmann, Regina, Neudorf, Ulrich, Schara, Ulrike, Heilmann, Antje, von der Hagen, Maja, Stiller, Brigitte, Kirschner, Janbernd, Pozza, Robert Dalla, Müller-Felber, Wolfgang, Weiss, Katja, von Au, Katja, Khalil, Markus, Motz, Reinald, Korenke, Christoph, Lange, Martina, Wilichowski, Ekkehard, Pattathu, Joseph, Ebinger, Friedrich, Wiechmann, Nicola, Schröder, Rolf, and on behalf of the German Competence Network for Congenital Heart Defects and the Treat-NMD Neuromuscular Network Investigators list of additional local Investigators and co-workers of the German Competence Network for Congenital Heart Defects and the Treat-NMD Neuromuscular Network