1. Department of Health, Medicine and Caring Sciences Linköping University Linköping Sweden
2. Department of Nursing Science, Julius Center, University Medical Center Utrecht Utrecht University Utrecht The Netherlands
3. School of Nursing and Midwifery Queen's University Belfast UK
4. Heart Institute Hospital Universitari Germans Trias i Pujol, Badalona, Spain; and CIBERCV, Instituto de Salud Carlos III Madrid Spain
5. Department of Cardiology Maastricht University Medical Centre Maastricht The Netherlands
6. Department of Cardiology, Croydon Health Service and Department of Cardiovascular Imaging Kings College London London UK
7. Clinic of Cardiac and Vascular Diseases, Institute of Clinical Medicine, Faculty of Medicine Vilnius University Vilnius Lithuania
8. Department of Physiotherapy University of Valencia Valencia Spain
9. Cardiology Department Hammersmith Hospital, Imperial College Healthcare NHS Trust London UK
10. Department of Cardiology King's College Hospital London UK
11. School of Nursing University of Pennsylvania Philadelphia PA USA
12. Department of General Practice. Julius Center, University Medical Center Utrecht Utrecht University Utrecht The Netherlands
13. Heart Failure Unit, Cardiology department, Rabin Medical Center, Petah Tikva and Sackler Faculty of Medicine Tel Aviv University Tel Aviv Israel
14. Department of Cardiology and Angiology Hannover Medical School Hannover Germany
15. IRCCS San Raffaele Pisana Rome Italy
16. University of Medicine Carol Davila/Institute of Emergency for Cardiovascular Disease Bucharest Romania
17. Department of Cardiology, Cardiology Centre Volgograd State Medical University Volgograd Russia
18. Department of Medicine Karolinska Institutet and Department of Cardiology Karolinska University Hospital Stockholm Sweden
19. Department of Internal Medicine, General Hospital Murska Sobota Faculty of Medicine, University of Ljubljana Ljubljana Slovenia
20. Hospital das Forças Armadas and Cintesis‐ Faculdade de Medicina da Universidade do Porto Porto Portugal
21. Department of Cardiology, Ziekenhuis Oost‐Limburg, Genk, Belgium; and Biomedical Research Institute, Faculty of Medicine and Life Sciences Hasselt University Diepenbeek Belgium
22. Department of Cardiology G. da Saliceto Hospital Piacenza Italy
23. Institute of Life Sciences Sant'Anna School of Advanced Studies Pisa Italy
24. Centre for Clinical and Basic Research IRCCS San Raffaele Roma Rome Italy
25. Faculty of Medicine University of Belgrade Belgrade Serbia
26. Serbian Academy of Sciences and Arts Belgrade Serbia
27. Department of Cardiology Linköping University Linköping Sweden