1. Department of Cardiovascular, Respiratory, Nephrological, Aenesthesiological and Geriatric Sciences “Sapienza” University of Rome, Policlinico Umberto I, Viale del Policlinico 155, Rome, Italy
2. Department of Cardiology, GIGA Cardiovascular Sciences, Heart Valve Clinic, University of Liège Hospital, CHU Sart-Tilman, Avenue de L'Hòpital 1, Liège, Belgium