1. Department of Congenital Heart Disease and Pediatric Cardiology, Faculty of Medicine; University Heart Center Freiburg - Bad Krozingen, Medical Center - University of Freiburg; Germany
2. Intensive Care Erasmus MC Sophia Children's Hospital; Rotterdam The Netherlands
3. Department of Pediatric Cardiac Surgery; Friedrich-Alexander-University, Erlangen-Nuernberg (FAU); Erlangen Germany
4. Department of Pediatric Cardiology, Pulmonology and Intensive Care Medicine; University Children's Hospital; Tuebingen Germany
5. Department of Neonatology and Pediatric Critical Care; University Children‘s Hospital Bonn; Bonn Germany
6. Medical University Children's Hospital; Hannover Germany
7. Division of Neonatology, Dr. von Hauner Children's Hospital, Perinatal Center Grosshadern; Ludwig-Maximilians-University; Munich Germany
8. Clinical Trials Unit, Medical Center; University of Freiburg; Freiburg Germany
9. Department of Cardio-Vascular Surgery, Faculty of Medicine; University Heart Center Freiburg - Bad Krozingen, Medical Center - University of Freiburg; Freiburg Germany