1. Department of Medicine, Health and Caring Sciences Linköping University Linköping 58183 Sweden
2. Heart Failure Unit, Cardiology Department, Rabin Medical Center, Petah Tikva and Sackler Faculty of Medicine Tel Aviv University Tel Aviv Israel
3. Department of Medicine, Health and Caring Sciences, Division of Physiotherapy Linköping University Linköping Sweden
4. Department of Biomedicine and Prevention University of Rome Tor Vergata Rome Italy
5. School of Nursing The University of Texas Medical Branch Galveston TX USA
6. Department of Nursing, School of Health and Welfare Jönköping University Jönköping Sweden
7. Cardiology Unit Guglielmo da Saliceto Hospital, AUSL Piacenza Italy
8. Fondazione Toscana “G Monasterio” Pisa Italy
9. Department of Cardiology Linköping University Linköping Sweden