1. Division of Pediatric Cardiology, Department of Pediatrics, Leiden University Medical Center, Albinusdreef 2, ZA Leiden, The Netherlands
2. Netherlands Heart Institute, Holland Heart House, Moreelsepark 1, EP Utrecht, The Netherlands
3. Department of Radiology, Leiden University Medical Center, Albinusdreef 2, ZA Leiden, The Netherlands
4. Department of Radiology, Feinberg School of Medicine, Northwestern University, 737 North Michigan Ave, Suite 1600, Chicago, IL, USA
5. Division of Pediatric Cardiology, Department of Pediatrics, Erasmus Medical Center, Doctor Molewaterplein 40, GD Rotterdam, The Netherlands
6. Division of Pediatric Cardiology, Department of Pediatrics, Academic Medical Center, Meibergdreef 9, AZ Amsterdam, The Netherlands