1. From the University of Liège Hospital, GIGA Cardiovascular Sciences, Departments of Cardiology, Heart Valve Clinic, CHU Sart Tilman, Liège, Belgium (R.D., L.A.P., P.L.); Quebec Heart and Lung Institute, Department of Medicine, Quebec City, Quebec, Canada (P.P.); Zena and Michael A. Wiener Cardiovascular Institute, Icahn School of Medicine at Mount Sinai, Cardiology Department, New York, NY (P.P.S.); Department of Cardiology, Medical University of Vienna, Vienna, Austria (R.R.); CHU Limoges, Hôpital...