1. Department of Paediatric Cardiology, Juliana Children’s Hospital, Els Borst-Eilers plein 275, 2545 CH, The Hague, The Netherlands
2. Department of Cardiology, Academic Medical Centre, Amsterdam, The Netherlands
3. Department of Biomedical Engineering, Maastricht University Medical Centre, Maastricht, The Netherlands
4. Department of Paediatric Cardiology, Leiden University Medical Centre, Leiden University Hospital, Leiden, The Netherlands