1. Department of Cardiology, Rabin Medical Center Petach Tikva, affiliated with Sackler Faculty of Medicine, Tel Aviv University Tel Aviv Israel
2. Centre for Heart Valve Innovation St Paul's Hospital, University of British Columbia Vancouver Canada
3. Department of Cardiology University of Washington Medical Center Seattle Washington USA
4. Department of Cardiac Surgery Medical University of Vienna Vienna Austria
5. Department of Cardiology Columbia University Irving Medical Center New York New York USA
6. Department of Cardiac Surgery University Heart Center Zurich Zurich Switzerland
7. Department of Cardiology Bern University Hospital, University of Bern Bern Switzerland
8. Heart Center Bonn, Department of Medicine II University Hospital Bonn Bonn Germany
9. Department of Cardiac, Vascular Thoracic Sciences and Public Health, University of Padua Padua Italy
10. Department for Cardiology University Medical Centre Ljubljana Ljubljana Slovenia
11. Division of Cardiology Montefiore Medical Center New York New York USA
12. Clinical and Interventional Cardiology Unit Istututo Clinico S. Ambrogio Milan Italy
13. Cardiovascular Institute Hospital Clinico San Carlos, IdISSC Madrid Spain