1. Department of Cardiac Surgery, The Royal Children’s Hospital Melbourne, Melbourne, VIC, Australia
2. Murdoch Children’s Research Institute, Melbourne, VIC, Australia
3. Department of Paediatrics, Faculty of Medicine, University of Melbourne, Melbourne, VIC, Australia
4. Green Lane Paediatric and Congenital Cardiac Service, Starship Children’s Hospital, Auckland, New Zealand
5. Adult Congenital Heart Disease Unit, The Prince Charles Hospital, Brisbane, QLD, Australia
6. Children’s Cardiac Centre, Princess Margaret Hospital for Children, Perth, WA, Australia
7. Department of Cardiology, Women’s and Children’s Hospital, Adelaide, SA, Australia
8. Department of Cardiology, Royal Prince Alfred Hospital, Sydney, NSW, Australia