1. Montreal Heart Institute Montreal Quebec Canada
2. University Heart and Vascular Center Hamburg Hamburg Germany
3. German Center for Cardiovascular Research (DZHK): Partner site Hamburg/Kiel/Lübeck Hamburg Germany
4. Cardiovascular Research Foundation New York City NY USA
5. Royal Brompton Hospital London UK
6. Heart Center Bonn Bonn Germany
7. Centre Hospitalier Universitaire de Lille Lille France
8. Cedars‐Sinai Medical Center Los Angeles CA USA
9. St. Paul's Hospital Vancouver BC Canada
10. St. Vincent's Hospital Sydney NSW Australia
11. Bern University Hospital Bern Switzerland
12. Ludwig Maximilian University of Munich Munich Germany
13. Houston Methodist Hospital Houston TX USA
14. Ospedale San Raffaele Milan Italy
15. St. Thomas' Hospital London UK
16. Oslo University Hospital Oslo Norway
17. University Hospital of Cologne Cologne Germany
18. German Heart Center Munich Munich Germany
19. Brigham and Women's Hospital Boston MA USA
20. Centre Hospitalier Universitaire de Bordeaux Bordeaux France
21. Clinique Pasteur Toulouse France
22. Heart Valve Center, Heart and Vascular Center Universitätsmedizin Mainz Mainz Germany
23. Department of Cardiac Surgery Louis Pradel Cardiologic Hospital Lyon France
24. Frankfurt University Hospital Frankfurt Germany
25. HerzZentrum Hirslanden Zürich Zürich Switzerland
26. Rigshospitalet Copenhagen Denmark
27. Heart and Diabetes Center NRW Bad Oeynhausen Germany
28. St. Michael's Hospital, University of Toronto Toronto ON Canada
29. German Heart Center Berlin Berlin Germany
30. Mount Sinai Hospital New York City NY USA