1. Department of Cardiology; Academic Medical Center; Amsterdam The Netherlands
2. The Netherlands Heart Institute; Utrecht The Netherlands
3. Department of Radiology; Academic Medical Center; Amsterdam The Netherlands
4. Department of Cardiology; University Medical Centre Groningen; Groningen The Netherlands
5. Department of Cardiology; Radboud University Nijmegen Medical Center; Nijmegen The Netherlands
6. Department of Pediatrics; Division of Cardiology; Erasmus MC-Sophia Children's Hospital; Rotterdam The Netherlands
7. Department of Radiology; Erasmus Medical Centre; Rotterdam The Netherlands
8. Department of Clinical Epidemiology and Biostatistics; Academic Medical Center; Amsterdam The Netherlands