1. Cardiology Department Royal Victoria Hospital Belfast United Kingdom
2. Department of Cardiology Amsterdam UMCUniversity of Amsterdam The Netherlands
3. Cardiology Department Department of Advanced Biomedical Sciences University of Naples Italy
4. Cardiac Surgery Department Clinica San Gaudenzio Novara Italy
5. Cardiology Department "Montevergine" Clinic Mercogliano Italy
6. Cardiothoracic Division The James Cook University Hospital Middlesbrough United Kingdom
7. Cardiovascular and Thoracic Department S. Orsola‐Malpighi University Hospital Bologna Italy
8. Cardiology Department University of Bari "Aldo Moro" Bari Italy
9. Cardiology Department Papworth Hospital Cambridge United Kingdom
10. Cardiology Department Leiden University Medical Center Leiden The Netherlands
11. Catania Division of Cardiology Policlinico‐Vittorio Emanuele HospitalUniversity of Catania Italy
12. Edwards‐Lifesciences Prague Czech Republic
13. Institute for Pharmacology and Preventive Medicine Cloppenburg Germany
14. Edwards‐Lifesciences Nyon Switzerland