1. Cardiology Division, Cardiovascular DepartmentASST Papa Giovanni XXIII Hospital Bergamo Italy
2. Cardiothoracic Department, Civil Hospitals and Department of Medical and Surgical SpecialtiesRadiological Sciences, and Public Health, University of Brescia Brescia Italy
3. Department of Cardiac SurgeryIRCCS San Raffaele Hospital, Vita‐Salute San Raffaele University Milan Italy
4. Service de CardiologieHopital Bichat, University Paris VII Paris France