1. Department of Pediatric Cardiology, Center for Congenital Heart Diseases; Beatrix Children's Hospital, University Medical Center Groningen, University of Groningen; Groningen The Netherlands
2. Wenckebach Institute, University Medical Center Groningen, University of Groningen; Groningen The Netherlands
3. Center for Congenital Heart Diseases, Department of Cardiology; University Medical Center Groningen, University of Groningen; Groningen The Netherlands
4. Center for Congenital Heart Diseases, Department of Cardiothoracic Surgery; University Medical Center Groningen, University of Groningen; Groningen The Netherlands
5. Department of Obstetrics and Gynecology; University Medical Center Groningen, University of Groningen; Groningen The Netherlands