1. Department of Cardiology, Heart Center, Amsterdam University Medical Centers, Academic Medical Center, PO-Box 22700, 1100DE, Amsterdam, The Netherlands, Member of the European Reference Network (ERN) GUARD-Heart
2. Instituto Auxologico Italiano, IRCCS, Center for Cardiac Arrhythmias of Genetic Origin, Milan, Italy. Member of the European Reference Network (ERN) GUARD-Heart
3. Arrhythmia Section, Cardiology Department, Hospital Clínic, Universitat de Barcelona and Institut d’Investigació August Pi i Sunyer (IDIBAPS), Barcelona, Spain, and Centro de Investigación Biomédica en Red de Enfermedades Cardiovasculares (CIBERCV), Madrid, Spain
4. Pharmaceutical Accountability Foundation, The Netherlands
5. Cardiology Clinical Academic Group, Institute of Molecular and Clinical Sciences, St. George’s, University of London, St. George’s University Hospitals NHS Foundation Trust, London, UK. Member of the European Reference Network (ERN) GUARD-Heart
6. Heart Institute, Hadassah University Hospital, Jerusalem, and Sackler School of Medicine, Tel Aviv University, Tel Aviv, Israel
7. Cardiology Department, Hospital Clinic, University of Barcelona, Barcelona, Spain
8. Cardiovascular Division, Free University of Brussels, Brussels, Belgium
9. Cardiology Clinical Academic Group, Molecular & Clinical Sciences Institute, St, George’s University of London, London, UK
10. Department of Cardiology, Erasme University Hospital, Université Libre de Bruxelles, Brussels, Belgium
11. Medicines Law & Policy, Amsterdam, The Netherlands, and Global Health Unit, University Medical Centre Groningen, The Netherlands
12. Department of Endocrinology and Metabolism, Amsterdam University Medical Centers, Amsterdam, The Netherlands
13. Department of Medicine I, University Hospital Munich, Campus Großhadern, Ludwig-Maximilians University Munich (LMU), Munich, Germany, and DZHK (German Centre for Cardiovascular Research), Partner Site Munich, Munich Heart Alliance (MHA), Munich, Germany
14. Electrophysiology Department, Barts Heart Centre, Barts Health NHS trust, London, UK. Member of the European Reference Network (ERN) GUARD-Heart
15. Unité de Rythmologie, Centre de Référence Maladies Cardiaques Héréditaires, Service de Cardiologie, Université de Paris, AP-HP Hôpital Bichat, Paris, France. Member of the European Reference Network (ERN) GUARD-Heart
16. Department of Molecular Medicine University of Pavia, Cardiology & Molecular Cardiology, IRCCS Fondazione Salvatore Maugeri, Pavia, Italy. Member of the European Reference Network (ERN) GUARD-Heart
17. L’institut du thorax, service de cardiologie du CHU de Nantes, Nantes, France. Member of the European Reference Network (ERN) GUARD-Heart
18. Department of Neurology, Donders Institute for Brain Cognition and Behaviour, Radboud University Medical Center, Nijmegen, The Netherlands
19. Department of Cardiology, Heart Centre, Copenhagen University Hospital, Rigshospitalet, and Department of Forensic Medicine, Faculty of Medical Sciences, University of Copenhagen, Copenhagen, Denmark. Member of the European Reference Network (ERN) GUARD-Heart
20. Department of Cardiology and Angiology, Hannover Medical School, Hannover, Germany
21. Tel Aviv Sourasky Medical Center and Sackler School of Medicine, Tel Aviv University, Tel Aviv, Israel
22. Department of Cardiology, Heart Center, Amsterdam University Medical Centers, Amsterdam, The Netherlands. Member of the European Reference Network (ERN) GUARD-Heart