1. Queen Elizabeth Hospital & Institute of Cardiovascular Sciences University of Birmingham UK
2. Department of Cardiology and Angiology University of Kiel Germany
3. James Cook Hospital Middlesbrough UK
4. Interventional Cardiology Unit, Hospital de la Santa Creu i Sant Pau Barcelona Spain
5. Cardiology Department I University Clinic Mainz Germany
6. Department of Cardiovascular Surgery Institute for Clinical and Experimental Medicine Prague Czech Republic
7. Department of Cardiovascular Surgery Second Faculty of Medicine Charles University Prague Czech Republic
8. Department of Cardiothoracic Surgery Foundation IRCCS Policlinico S.Matteo Pavia Italy
9. Department of Cardiology University of Cologne Heart Center Cologne Germany
10. St Bartholomew's Hospital London UK
11. University of Bari Italy
12. Krankenhaus der Barmherzigen Brüder Trier Germany
13. University of Turin Italy
14. 4th Medical Department Hietzing Hospital Vienna Austria
15. Herzkatheterlabor Nymphenburg and Department of Cardiology University of Munich Germany
16. Division of Cardiology and URT CNR of IFC University Magna Graecia Catanzaro Italy
17. Sapienza University of Rome Italy
18. Centre Hospital d'Annecy France
19. German Centre for Cardiovascular Research (DZHK) University Heart Center & Charité Berlin Germany
20. Department of Cardiology University Hospital Erlangen Germany
21. University of Amsterdam Netherlands
22. Institute for Pharmacology and Preventive Medicine Cloppenburg Germany
23. Edwards Lifesciences Nyon Switzerland
24. University of Ottawa Heart Institute Ottawa Canada