1. Department of Cardiology, Erasmus Medical Center, PO Box 2040, 3000 CARotterdam, The Netherlands
2. Department of Paediatric Cardiology, Innsbruck Medical University, Innsbruck, Austria
3. Department of Cardiology, Lund University Hospital, Lund, Sweden
4. Department of Cardiology, Cincinnati Children's Hospital, Cincinnati, OH, USA
5. Department of Cardiology, St Luke's International Hospital, Tokyo, Japan
6. Department of Cardiology, Deutsches Herzcentrum, München, Germany
7. Adult Congenital and Valvular Heart Center, Department of Cardiology, Münster, Germany
8. Department of Congenital and Structural Cardiology, University Hospitals, Belgium
9. ANMCO Research Center, Firenze, Italy
10. GVM Care&Research—E.S. Health Science Foundation—Maria Cecilia Hospital, Cotignola, Italy
11. Department of Cardiology, Al-Minya University Hospital, Cairo, Egypt
12. Academic Department of Obstetrics and Gynaecology, Imperial College School of Medicine, Chelsea and Westminster Hospital, 369 Fulham Road, London SW10 9NH, UK
13. Norwich Medical School, University of East Anglia, Norwich, UK