1. Faculty of Medicine University of Porto Porto Portugal
2. Cardiology Department Porto Armed Forces Hospital Porto Portugal
3. Scuola Superiore Sant'Anna, and Fondazione G. Monasterio Pisa Italy
4. Medical School University of Sheffield and Sheffield Teaching Hospitals Sheffield UK
5. Cardiology University Hospital Zurich Zurich Switzerland
6. American Medical Center American Heart Institute Nicosia Cyprus
7. Heart Institute Hospital Universitari Germans Trias i Pujol Badalona Spain
8. CIBERCV, Instituto de Salud Carlos III Madrid Spain
9. Department of Cardiology, Cardiovascular Research Institute Maastricht Maastricht University Medical Centre Maastricht The Netherlands
10. Cardiovascular Research and Development Unit (UnIC) Faculty of Medicine University of Porto Porto Portugal
11. Cardiology Department Centro Hospitalar de Vila Nova Gaia/Espinho Espinho Portugal
12. Department of Cardiology Guys and St Thomas NHS Hospitals Trust London UK
13. Department of Internal Medicine, Division of Cardiology Medical University of Vienna Vienna Austria
14. Cardiology Division Massachusetts General Hospital and Harvard Medical School Boston MA USA
15. Department of Cardiology Lithuanian University of Health Sciences Kaunas Lithuania
16. Lomonosov Moscow State University Medical Centre Moscow Russia
17. University Medical Centre Groningen Groningen The Netherlands
18. Department of Internal Medicine‐Cardiology, Deutsches Herzzentrum Berlin and Charité‐Universitätsmedizin Berlin Berlin Germany
19. Department of Cardiology University Hospital Basel Basel Switzerland
20. Vilnius University Hospital Santaros klinikos Vilnius Lithuania
21. Department of Cardiology University Medical Center Utrecht Utrecht The Netherlands
22. Department of Cardiology Radboud University Medical Center Nijmegen The Netherlands
23. Faculty of Medicine University of Belgrade Belgrade Serbia
24. Serbian Academy of Sciences and Arts Belgrade Serbia
25. University of Warwick Coventry UK
26. Christchurch Heart Institute University of Otago Dunedin New Zealand
27. Cardiovascular Research Institute National University of Singapore Singapore