1. Department of Cardiovascular DiseasesUniversity of Zagreb School of Medicine and University Hospital Centre Zagreb Zagreb Croatia
2. Brigham and Women's Hospital Boston MA USA
3. Department of CardiologyErasmus MC, University Medical Center Rotterdam Rotterdam The Netherlands
4. University Hospital Leuven Leuven Belgium
5. Division of Cardiology, Department of Cardiovascular DiseasesCliniques Universitaires St. Luc Brussels Belgium
6. Pôle de Recherche Cardiovasculaire (CARD) Institut de Recherche Expérimentale et Clinique (IREC) Université Catholique de Louvain Louvain Belgium
7. Department of Cardiac and Vascular Diseases KrakowJagiellonian University Medical College, John Paul II Hospital Krakow Poland
8. Antwerp University Hospital Antwerp Belgium
9. Clinic of Cardiac and Vascular Diseases, Faculty of MedicineVilnius University Vilnius Lithuania
10. Faculty of Medicine, Heart Center Freiburg UniversityUniversity of Freiburg Freiburg Germany
11. Department of Advanced Biomedical SciencesFederico II University of Naples Naples Italy
12. INIBIC, CIBERCVComplejo Hospitalario Universitario de A Coruña A Coruña Spain
13. Fondazione Policlinico Universitario A. Gemelli IRCCS Rome Italy
14. Onassis Cardiac Surgery Centre Athens Greece
15. Centro Cardiologico Monzino IRCCS Milan Italy
16. Department of Cardiac SurgeryUniversity of Zagreb School of Medicine Zagreb Croatia
17. Department of MedicineKarolinska Institute Stockholm Sweden
18. Clinic for CardiologyUniversity Hospital Zurich Zurich Switzerland
19. Cardiology, Department of Medical and Surgical SpecialtiesRadiological Sciences, and Public Health, University of Brescia Brescia Italy