1 University of Liège Hospital, GIGA Cardiovascular Sciences, Department of Cardiology, Heart Valve Clinic, CHU Sart Tilman, Liège, Belgium; Gruppo Villa Maria Care and Research, Anthea Hospital, Bari, Italy. Electronic address: plancellotti@chu.ulg.ac.be.
2 University of Liège Hospital, GIGA Cardiovascular Sciences, Department of Cardiology, Heart Valve Clinic, CHU Sart Tilman, Liège, Belgium.