1. Department of Cardiac, Thoracic, Transplantation and Vascular Surgery, Hanover Medical School, Hanover, Germany
2. Department of Pediatric Cardiology and Intensive Care Medicine, Hanover Medical School, Hanover, Germany
3. National Register for Congenital Heart Defects, German Centre for Cardiovascular Research (DZHK), Berlin, Germany
4. German Competence Network for Congenital Heart Defects, Berlin, Germany
5. Department of Congenital HeartDisease/Pediatric Cardiology, German Heart Institute Berlin, Berlin, Germany
6. Department of Pediatric Cardiology, Charité Universitätsmedizin Berlin, Campus Virchow-Klinikum, Berlin, Germany
7. Department of Pediatric Cardiac Surgery, University of Erlangen, Erlangen, Germany
8. Department of Cardiac Surgery, Heart Centre, University of Leipzig, Clinic for Pediatric Cardiology, Leipzig, Germany
9. Divisions of Pediatric Cardiology, University of Erlangen, Erlangen, Germany
10. Division of Pediatric Cardiac Surgery, University of Erlangen, Erlangen, Germany
11. Department of Paediatric Cardiology and Congenital Heart Defects and Congenital Heart Surgery, German Heart Centre of the Technical University of Munich, Munich, Germany
12. Department of Congenital Heart Disease, German Heart Institute, German Centre for Cardiovascular Research (DZHK) partner site Berlin, Berlin, Germany
13. Department of Pediatric Cardiology and Congenital Heart Surgery, German Heart Institute, German Centre for Cardiovascular Research (DZHK) partner site Berlin, Berlin, Germany
14. Department of Pediatric Heart Surgery, German Heart Institute, German Centre for Cardiovascular Research (DZHK) partner site Berlin, Berlin, Germany
15. Department of Congenital Heart Disease, Heart and Diabetes Centre, Bad Oeynhausen, Germany