German Heart Center Berlin - Department of Congenital Heart Disease and Pediatric Cardiology, Charité - Universitätsmedizin Berlin - Department of Pediatric Cardiology, Saarland University - Department for Paediatric Cardiology, Hannover Medical School - Department of Paediatric Cardiology and Intensive Care Medicine, University of Leipzig - Clinic for Paediatric Cardiology, University Hospital Erlangen - Department for Paediatric Cardiology, University of Freiburg - Department for Paediatric Cardiology, University Heart Center Hamburg GmbH - Department for Paediatric Cardiology, University of Tübingen - Department for Paediatric Cardiology, Ruhr University of Bochum - Center for Congenital Heart Disease/Pediatric Cardiology, University Hospital Münster - Department for Paediatric Cardiology, Ludwig Maximilian University of Munich (LMU) - Department of Paediatric Cardiology and Paediatric Intensive Care, Klinikum Links der Weser - Department for Paediatric Cardiology, German Heart Centre Munich - Department for Paediatric Cardiology, University of Cologne - Department for Paediatric Cardiology, University Hospital Giessen - Department for Paediatric Cardiology, University Hospital Ulm - Pediatric Cardiology, University Medicine Göttingen - Department for Paediatric CardiologyUniversity Medicine Göttingen - Department for Paediatric Cardiology, Schleswig-Holstein University - Department for Paediatric CardiologySchleswig-Holstein University - Department for Paediatric Cardiology, RWTH Aachen University - Pediatric CardiologyRWTH Aachen University - Pediatric Cardiology, University of Bonn - Pediatric Cardiology, Stuttgart Clinic - Olgahospital / Women's Clinic, Heidelberg University Hospital - Pediatric Cardiology and Congenital Heart Defects, Competence Network for Congenital Heart Defects, University of Tübingen - Cardiopathology, DZHK - German Centre for Cardiovascular Research and German Heart Center Berlin - Department of Congenital Heart Disease and Pediatric Cardiology

University Hospital Erlangen, affiliation not provided to SSRN, affiliation not provided to SSRN, affiliation not provided to SSRN, affiliation not provided to SSRN, affiliation not provided to SSRN, affiliation not provided to SSRN, University of Freiburg - Department for Paediatric Cardiology, University of Tübingen - Department for Paediatric Cardiology, Ruhr University of Bochum - Center for Congenital Heart Disease/Pediatric Cardiology, University Hospital Ulm - Pediatric Cardiology, DZHK - German Centre for Cardiovascular Research, German Heart Center Berlin - Department of Congenital Heart Disease and Pediatric Cardiology, German Heart Center Berlin - Department of Congenital Heart Disease and Pediatric Cardiology and affiliation not provided to SSRN