1. Department of Pediatric Cardiology; Radboud University Medical Center; Nijmegen the Netherlands
2. Department of Pediatric Cardiology and Intensive Care Medicine; Hannover Medical School; Hannover Germany
3. Center for Congenital Heart Diseases; University Medical Center Groningen; Groningen the Netherlands
4. Department of Pediatric Cardiology; Academic Medical Center; Amsterdam the Netherlands
5. Department of Pediatric Cardiology; Erasmus Medical Center; Rotterdam the Netherlands
6. Department of Pediatric Cardiology; Maastricht University Medical Center; Maastricht the Netherlands
7. Department of Pediatric Cardiology; University Medical Center Utrecht; Utrecht the Netherlands
8. Department of Pediatric Cardiology; Leiden University Medical Center; Leiden the Netherlands
9. Department of Radiology, Medical Ultrasound Imaging Center; Radboud University Medical Center; Nijmegen the Netherlands
10. Department of Cardiothoracic Surgery; Isala Clinics; Zwolle the Netherlands
11. Department of Cardiothoracic Surgery; University Medical Center Groningen; Groningen the Netherlands
12. Department of Cardiothoracic Surgery; Leiden University Medical Center; Leiden the Netherlands
13. Department of Cardiothoracic Surgery; University Medical Center Utrecht; Utrecht the Netherlands
14. Department of Cardiothoracic Surgery; Erasmus Medical Center; Rotterdam the Netherlands
15. Department of Pediatric Cardiology; Tel Aviv Sourasky Medical Center; Tel Aviv Israel