1. Division of Cardiology, Department of Pediatrics, University of British Columbia, Vancouver, British Columbia, Canada
2. Centre for Cardiovascular Innovation, Division of Cardiology, Department of Medicine, University of British Columbia, Vancouver, British Columbia, Canada
3. Libin Cardiovascular Institute, Department of Physiology and Pharmacology, University of Calgary, Calgary, Alberta, Canada
4. Department of Clinical and Experimental Cardiology, Heart Center, Amsterdam University Medical Centre, Amsterdam, the Netherlands
5. Department of Cardiology, Royal Brompton Hospital, London, United Kingdom
6. Division of Cardiovascular Medicine, University of Wisconsin, Madison
7. Division of Cardiology, Department of Pediatrics, Hospital for Sick Children, Toronto, Ontario, Canada
8. Division of Cardiology, Department of Pediatrics, University of Michigan, Ann Arbor
9. Division of Cardiology, Montreal Heart Institute, University of Montreal, Montreal, Québec, Canada
10. Department of Pediatrics, Hospital for Sick Children, Toronto, Ontario, Canada
11. currently affiliated with Department of Pediatrics, Yale University School of Medicine, New Haven, Connecticut
12. Children’s Heart Centre, Division of Cardiology, Department of Pediatrics, University of British Columbia, Vancouver, British Columbia, Canada
13. Section of Cardiac Electrophysiology, Division of Cardiology, Western University, London, Ontario, Canada
14. now affiliated with Population Health Research Institute, McMaster University and Hamilton Health Sciences, Hamilton, Ontario, Canada
15. Member of the European Reference Network ERN GUARD-Heart
16. Department of Cardiology, Aarhus University Hospital, Aarhus, Denmark
17. Department of Medicine, Aarhus University, Aarhus, Denmark