1. Department of Cardiothoracic Surgery and Transplantation of Thoracic Organs, University Hospital and Faculty of Medicine of Coimbra, Coimbra, Portugal
2. Department of Cardiology, Hospital Universitari Vall d’Hebron, Barcelona, Spain
3. Institut de Recerca (VHIR), Universitat Autónoma de Barcelona, Barcelona, Spain
4. Department of Cardiology, St Thomas’ Hospital, London, UK
5. Department of Cardiac Surgery, Vita-Salute San Raffaele University, IRCCS San Raffaele Hospital, Milan, Italy
6. Department of Cardiology, Vienna General Hospital, Medical University of Vienna, Vienna, Austria
7. Department of Cardiothoracic Surgery, Golden Jubilee National Hospital, Clydebank, UK
8. Department of Cardiovascular Surgery, S. Croce Hospital, Cuneo, Italy
9. Department of Cardiovascular and Thoracic Surgery, OLV Clinic, Aalst, Belgium
10. Department of Cardiothoracic Surgery and Transplantation, University of Lorraine, Centre Hospitalier Universitaire Brabois, Vandoeuvre les Nancy, France
11. Department of Cardiology, Bichat Hospital, APHP, Paris Diderot University, DHU Fire, Paris, France
12. Department of Cardiology, GIGA Cardiovascular Sciences, Heart Valve Clinic, University of Liège Hospital, Liège, Belgium
13. Gruppo Villa Maria Care and Research, Anthea Hospital, Bari, Italy
14. Division of Cardiac Surgery, University of Brescia Medical School, Brescia, Italy
15. Chirurgie Cardiothoracique et Transplantation Cardiaque, Hôpital Louis Pradel, Lyon, France
16. Department of Cardiology, University Hospital Sart Tilman, Liège, Belgium
17. Department of Cardiac Surgery, Central Clinical Hospital of the Ministry of Interior, Warsaw, Poland
18. Pulaski University of Technology and Humanities, Radom, Poland
19. University Alcala, Hospital Ramon y Cajal, Madrid, Spain