1. Heart Lung Center, Leiden University Medical Center, Leiden, the Netherlands
2. GIGA Cardiovascular Sciences, Department of Cardiology, Heart Valve Clinic, University of Liège Hospital, Centre Hospitalier Universitaire Sart Tilman, Liège, Belgium
3. Institut Universitaire de Cardiologie et de Pneumologie de Québec, Quebec Heart & Lung Institute, Laval University, Quebec City, Quebec, Canada
4. Department of Cardiology, Princess Alexandra Hospital, University of Queensland, Brisbane, Australia
5. Department of Medical Statistics, Leiden University Medical Center, Leiden, the Netherlands
6. Gruppo Villa Maria Care and Research, Anthea Hospital, Bari, Italy
7. Cardiovascular Research Foundation, New York, New York
8. New York–Presbyterian Hospital, Columbia University, Medical Center, New York
9. Gagnon Cardiovascular Institute, Morristown Medical Center, Morristown, New Jersey
10. Hôpital du Sacré-Coeur de Montréal, Université de Montréal, Montréal, Quebec, Canada