1. Department of Cardiology, Rigshospitalet University of Copenhagen København Denmark
2. University of Groningen, Department of Cardiology University Medical Center Groningen Groningen The Netherlands
3. Cardiology Department, Faculty of Medicine Ege University İzmir Turkey
4. Department of Cardiology University Medical Center Utrecht Utrecht The Netherlands
5. Department of Cardiology Leiden University Medical Center Leiden The Netherlands
6. Institute of Molecular and Therapeutic Strategies (IMTTS) Hannover Medical School, and Fraunhofer Institute of Toxicology and Experimental Medicine Hannover Germany
7. Onassis Cardiac Surgery Center Athens Greece
8. University of Warwick Coventry UK
9. Servicio de Cardiología, Complejo Hospitalario Universitario de A Coruña (CHUAC), CIBERCV Instituto de Investigación Biomédica de A Coruña (INIBIC) A Coruña Spain
10. Center for Advanced Heart Disease Brigham and Women's Hospital and Harvard Medical School Boston MA USA
11. Heart Failure Unit, Department of Cardiology Athens University Hospital, Attikon, National and Kapodistrian University of Athens, School of Medicine Athens Greece
12. School of Nursing & Midwifery Queen's University Belfast UK
13. Cardiology ASST Spedali Civili and University of Brescia Brescia Italy
14. Institute of Heart Diseases Wroclaw Medical University and Institute of Heart Diseases, University Hospital Wroclaw Poland
15. The Alfred Hospital Melbourne, Vic, Australia; Baker Heart and Diabetes Institute Melbourne Australia
16. Heart Failure and Transplant Unit IRCCS Azienda Ospedaliero‐Universitaria di Bologna Bologna Italy
17. Heart Failure Unit and University Clinic of Emergency Medicine, Attikon University Hospital National and Kapodistrian University of Athens Medical School Athens Greece
18. Department of Cardiovascular Diseases University of Zagreb School of Medicine & University Hospital Centre Zagreb Zagreb Croatia
19. Faculty of Medicine University of Belgrade, and Serbian Academy of Arts and Sciences Belgrade Serbia
20. St George's University Medical School of London London UK
21. Heart Failure Unit, Cardiology Department, Rabin Medical Center, Sackler Faculty of Medicine Tel Aviv University Tel Aviv Israel