1. Department for Pediatric Cardiology and Intensive Care Medicine Ludwig‐Maximilians‐University Munich Munchen Germany
2. Department of Pediatric Cardiology University Children's Hospital Zürich Zurich Switzerland
3. Department of Congenital Heart Disease and Pediatric Cardiology University Hospital Schleswig‐Holstein Kiel Germany
4. Center of Congenital Heart Disease/Pediatric Cardiology HDZ‐NRW, Ruhr‐University Bad Oeynhausen Germany
5. Department of Pediatric Cardiology Deutsches Herzzentrum Berlin Berlin Germany
6. Department of Pediatric Cardiology University Hospital Münster Münster Germany
7. Department of Pediatrics University Hospital Ulm Ulm Germany
8. Department of Pediatric Cardiology University Hospital Lausanne Lausanne Switzerland
9. Department of Pediatric Cardiology University Hospital Erlangen Erlangen Germany
10. Department of Congenital Heart Disease and Pediatric Cardiology, University Heart Center Freiburg – Bad Krozingen Medical Center – University of Freiburg, Faculty of Medicine, University of Freiburg Freiburg Germany
11. Department of Pediatric Cardiac Surgery Georg‐August‐University‐Goettingen Gottingen Germany
12. Center for Congenital Heart Disease University Hospital for Cardiology Bern Switzerland
13. Department of Pediatric Cardiology UKE Hamburg Hamburg Germany
14. Department of Pediatric Cardiology University Hospital Wien Wien Austria
15. Department of Pediatric Cardiology University Hospital Hannover Hannover Germany
16. Department of Pediatric Cardiology University Hospital Heidelberg Heidelberg Germany
17. Department of Pediatric Cardiology University Hospital Giessen Giessen Germany
18. Department of Pediatric Cardiology and Intensive Care Medicine University Medical Center, Georg‐August‐University‐Goettingen Germany and German Center for Cardiovasvular Research (DZHK) Gottingen Germany