1. Department of Cardiology University Medical Centre Utrecht, University of Utrecht Heidelberglaan 100 Utrecht 3584CX The Netherlands
2. Institute of Cardiovascular Science and Institute of Health Informatics, Faculty of Population Health Sciences University College London London UK
3. Barts Heart Centre, St Bartholomew's Hospital University College London and Inherited Cardiac Diseases Unit London UK
4. Cardiac Department Hospital Universitario Virgen de la Arrixaca Murcia Spain
5. GVM Care & Research Maria Cecilia Hospital Cotignola Italy
6. Department of Cardiology and Structural Heart Diseases, School of Medicine in Katowice Medical University of Silesia Katowice Poland
7. Centre for Inherited Cardiovascular Diseases, Great Ormond Street Hospital UK and University College London Institute of Cardiovascular Science London UK
8. EUR Observational Research Programme, European Society of Cardiology Sophia‐Antipolis France
9. Department of Cardiac and Vascular Diseases Jagiellonian University Medical College, John Paul II Hospital Krakow Poland
10. Department of Cardiology Emergency Institute of Cardiovascular Diseases C.C. Iliescu Bucharest Romania
11. Department of Cardiology Helsinki University Central Hospital Meilahti Helsinki Finland
12. U.O. Cardiologia, Policlinico Casilino Rome Italy
13. Cardiovascular Department, Azienda Sanitaria Universitaria Integrata Giuliano Isontina Trieste Italy
14. Clinical Hospital Center Bezanijska kosa, Faculty of Medicine University of Belgrade Beograd Serbia
15. Cardiomyopathy Unit Careggi University Hospital Florence Italy
16. Department of Cardiology Lithuanian University of Health Sciences Kaunas Lithuania
17. Division of Cardiology, Department of Cardiological Thoracic and Vascular Sciences and Public Health University of Padova Padova Italy
18. APHP, Centre de Référence des Maladies Cardiaques Héréditaires, ICAN, Hôpital Pitié‐Salpêtrière Sorbonne Université Paris France