1. Linköping University, Department of Social and Welfare studies, Division of Health, Activity and Care, Norrköping, Sweden and Department of Cardiology, University Medical Center Groningen, Groningen, the Netherlands
2. Department of Medicine and Health Sciences, Division of Nursing Science, Linköping University, Linköping, Sweden
3. School of Health Sciences, Jönköping University, Jönköping, Sweden
4. Institute of Nursing Science, University of Basel, Basel, Switzerland and Centre for Health Services and Nursing Research, Katholieke Universiteit, Leuven, Belgium
5. Unit for Research and Development in Primary Care, Jönköping, Sweden
6. Centre for Health Services and Nursing Research, Katholieke Universiteit, Leuven, Belgium and Division of Congenital and Structural Cardiology, University Hospitals of Leuven, Belgium
7. Department of Heart Disease, Haukeland University Hospital, Bergen, Norway
8. School of Nursing and Midwifery, University of Dundee, and Department of Cardiology, Ninewells Hospital, Dundee, UK
9. School of Nursing, Wichita State University, Wichita KS, USA
10. Department of Health Sciences/Department of Cardiovascular Sciences University of Leicester, UK