1. Department of CardiologyOur Lady's Children's Hospital Dublin Ireland
2. German Heart Center Munich Germany
3. Department of Pediatric Cardiology Heart CentreUniversity of Leipzig Leipzig Germany
4. Department of Pediatric Cardiology, Centre de reference des Malformations Cardiaques Congénitales ComplexesNecker Hospital Paris France
5. CardioVascular Center Frankfurt, FrankfurtGermany & Anglia Ruskin University Chelmsford United Kingdom
6. Department of Pediatric Cardiology, Charitè Medical CenterHumboldt University Berlin Germany
7. Zentrum für Kardiologie, Kardiologie IUniversity Medical Center, and DZHK Standort Rhein‐Main Mainz Germany
8. Sidra Cardiovascular Center of ExcellenceWeil Cornell Medical College Doha Qatar