1. Interdepartmental Laboratory of Cardiac Imaging, Federico II University Hospital, Naples, Italy
2. CHVZ (Centrum voor Hart en Vaatziekten)-Universitair ziekenhuis Brussel; and ICMI (In Vivo Cellular and Molecular Imaging) laboratory, Brussels, Belgium
3. Department of Cardiology, Oslo University Hospital, Rikshospitalet, University of Oslo, Oslo, Norway
4. Echocardiography Laboratory, Hospital da Luz, Lisbon, Portugal
5. Department of Cardiology, Leiden University Medical Centre, Leiden 2300RC, The Netherlands
6. Pediatric Cardiology, Royal Brompton Hospital, London, United Kingdom
7. Cardiologie, LTSI-INSERM U 1099, CHU Rennes, Université Rennes 1, Rennes, France
8. Baskent University, Ankara, Turkey
9. Department of Physiology, INSERM U955, Université Paris-Est Creteil, Henri Mondor Hospital, DHU-ATVB, AP-HP, Créteil, France
10. King's College Hospital NHS Foundation Trust, Denmark Hill, London SE5 9RS UK
11. Department of Cardiovascular Sciences, Imperial College of London, London, UK
12. Department of Cardiology-Angiology, Echokardiographie-Labore des Universitätsklinikums AöR, University of Leipzig, Leipzig, Germany
13. Department of Cardiology, VU University Medical Center, Amsterdam, The Netherlands
14. CHU Limoges, Hôpital Dupuytren, Service Cardiologie, Limoges, F-87042 France
15. 1st Department of Cardiology, General Hospital of Nikea, 3 P. Mela str., 184 54, Athens, Greece
16. University of Liège Hospital, GIGA Cardiovascular Science, Heart Valve Clinic, Imaging Cardiology, Liège, Belgium
17. Gruppo Villa Maria Care and Research, Anthea Hospital, Bari, Italy
18. University of Medicine and Pharmacy 'Carol Davila'-Euroecolab, Institute of Cardiovascular Diseases, Bucharest, Romania
19. Aix- Aix-Marseille Univ, URMITE, Aix Marseille Université-UM63, CNRS 7278, IRD 198, INSERM 1095
20. Cardiology Department, APHM, La Timone Hospital, Boulevard Jean Moulin, Marseille 13005, France