Patrizio Lancellotti1,2, Madalina Garbi3. 1. Department of Cardiology, Heart Valve Clinic, University of Liège Hospital, GIGA Cardiovascular Sciences, CHU Sart Tilman, Avenue de l'hôpital, n1, 4000 Liège, Belgium. 2. Gruppo Villa Maria Care and Research, Anthea Hospital, Bari, Italy. 3. King's Health Partners, King's College Hospital NHS Foundation Trust, London, UK.