1. Cardiology Division Stavanger University Hospital Stavanger Norway
2. Institute of Internal Medicine University of Bergen Bergen Norway
3. Division of Cardiology, Fondazione Cardiocentro Ticino Lugano Switzerland
4. Robertson Centre for Biostatistics and Clinical Trials University of Glasgow and National Heart & Lung Institute, Imperial College London UK
5. Stiftung Institut für Herzinfarktforschung Ludwigshafen Ludwigshafen Germany
6. Medizinische Klinik B Klinikum der Stadt Ludwigshafen Ludwigshafen Germany
7. University of Cyprus, School of Medicine Cyprus
8. Department of Cardiology Klinikum Bielefeld Germany
9. Division of Cardiology and Metabolism; Department of Cardiology (CVK); Berlin‐Brandenburg Center for Regenerative Therapies (BCRT); German Centre for Cardiovascular Research (DZHK) partner site Berlin; Charité Universitätsmedizin Berlin Germany
10. Department of Cardiology and Pneumology University Medicine Göttingen (UMG), and German Centre for Cardiovascular Research (DZHK) Göttingen Germany
11. National and Kapodistrian University of Athens, School of Medicine, Department of Cardiology Athens University Hospital Attikon Athens Greece
12. Humanitas Research Hospital IRCCS Rozzano Italy
13. Department of Cardiac Surgery HELIOS Heart Center Leipzig Leipzig Germany
14. Department of Cardiology, Institution of Medical Science Uppsala University Uppsala Sweden
15. Department of Heart Diseases Medical University Wroclaw Wroclaw Poland
16. Department of Cardiology University Hospital Zurich Zurich Switzerland
17. Sant'Anna Hospital Como Italy
18. Department of Cardiology Ceske Budejovice Hospital Ceske Budejovice Czech Republic
19. Faculty of Health and Social Sciences University of South Bohemia Ceske Budejovice Czech Republic
20. Faculty of Medicine and Dentistry Palacky University Olomouc Czech Republic
21. Clinical Electrophysiology, Department of Cardiology, Medical Centre Hungarian Defence Forces Budapest Hungary
22. Klinik für Innere Medizin ‐ Kardiologie, Diabetologie & Nephrologie Evangelisches Krankenhaus Bielefeld Bielefeld Germany
23. Rennes University Hospital University of Rennes France
24. The National Institute of Cardiovascular Diseases Bratislava Slovak Republic
25. Unidad de Arritmias, Hospital Universitari i Politècnic La Fe Valencia Spain
26. Department of Cardiology Freeman Hospital, Freeman Rd Newcastle upon Tyne UK
27. Department of Cardiology Medicalpark Goztepe Hospital Istanbul Turkey
28. Kardio Bremen Bremen Germany
29. Heart Rhythm Department Institute of Cardiology Warsaw Poland
30. Heart and Vessels Theme, Karolinska University Hospital Stockholm, and Karolinska Institutet Stockholm Sweden