1. Cardiology Unit, Cardiac Thoracic and Vascular Department, IRCCS Azienda Ospedaliera-Universitaria di Bologna, 40138 Bologna, Italy
2. Department of Medical and Surgical Sciences-DIMEC, Alma Mater Studiorum, University of Bologna, 40138 Bologna, Italy
3. Univ Rennes, CHU Rennes, Inserm, LTSI–UMR 1099, F-35000 Rennes, France