1. Department of Cardiology, University Medical Center Groningen; University of Groningen; Groningen the Netherlands
2. Department of Cardiology and Angiology; Medical School Hannover; Hannover Germany
3. Division of Cardiovascular Diseases, Department of Medicine; Mayo Clinic; Rochester MN USA
4. Clinic of Cardiac and Vascular Diseases, Faculty of Medicine; Vilnius University; Vilnius Lithuania
5. Monash University, Clayton Campus, Melbourne, Victoria 3800; Australia
6. University of Warwick, Kirby Corner Road, Coventry CV4 8UW; UK
7. Advanced Heart Failure and Heart Transplant Unit, Servicio de Cardiologia-CIBERCV; Complejo Hospitalario Universitario A Coruña (CHUAC), Instituto Investigación Biomedica A Coruña (INIBIC), Universidad da Coruña (UDC), La Coruña, Spain
8. Heart Failure Unit; University of Milan, IRCCS Policlinico San Donato; Milan Italy
9. Emergency Medicine, University of Helsinki, Department of Emergency Medicine and Services; Helsinki University Hospital; Helsinki Finland
10. Department of Cardiology; CARIM, Maastricht University Medical Centre; Maastricht the Netherlands
11. Queen's University; Belfast UK
12. Department of Internal Medicine; General Hospital Murska Sobota; Murska Sobota Slovenia
13. Department of Cardiology, National Heart Center Singapore; Singapore Duke-NUS Graduate Medical School; Singapore
14. Department of Medicine, Karolinska Institutet and Heart and Vascular Theme; Karolinska University Hospital; Stockholm Sweden
15. National Heart and Lung Institute; Imperial College London and Royal Brompton Hospital; London UK
16. Department of Anesthesiology and Critical Care, APHP - Saint Louis Lariboisière University Hospitals; University Paris Diderot; Paris France
17. Department of Cardiology, Cardiovascular Research Institute Basel; University Hospital Basel; Basel Switzerland
18. Department of Cardiology; VU University Medical Center; Amsterdam the Netherlands
19. Department of Internal Medicine and Cardiology, Charité University Medicine, Berlin, Germany, and Department of Internal Medicine Cardiology; German Heart Center Berlin, DZHK (German Center for Cardiovascular Research) and Berlin Institute of Health (BIH); Berlin Germany
20. Heart Failure Unit, Cardiac Department; G. da Saliceto Hospital; Piacenza Italy
21. Clinic for Cardiology; University Hospital Zurich; Zürich Switzerland
22. Julius Center for Health Sciences and Primary Care; University Medical Center Utrecht; Utrecht the Netherlands
23. Cardiology Department, Clinical Centre Serbia; Medical School; Belgrade Serbia
24. Cardiovascular Division; Brigham and Women's Hospital; Boston MA USA
25. Division of Cardiology; Northwestern University Feinberg School of Medicine; Chicago IL USA
26. Department of Cardiology; Larissa University Hospital; Larissa Greece
27. Clinic and Policlinic for Cardiology; University Hospital Leipzig, Leipzig, Germany and German Cardiovascular Research Center; partner site Göttingen