George DangasMount Sinai Robert GilCentral Hospital of the Internal Affairs and Administration Ministry Thierry LefèvreHopital Privé jacques Cartier Farhat FouladvandClinica San Carlo Sergii FurkaloNational institute of Surgery&Transplantology Inna KhasyanovaNational Institute of surgery and transplantology Talib MajwalCity hospital Jozica SikicClinical Hospital “Sveti Duh” Christos BourantasBarts Heart Centre Niccolo CiardettiCareggi Hospital Quentin DE HEMPTINNECHU St-Pierre Mila KovacevicInstitute of Cardiovascular Diseases of Vojvodina Rony Mathew, DrLisie Hospital