1. The Heart Centre, Rigshospitalet Copenhagen University Hospital Copenhagen Denmark
2. Institute of Clinical Medicine University of Copenhagen Copenhagen Denmark
3. Department of Health, Medicine and Caring Sciences and Department of Cardiology Linköping University Linköping Sweden
4. Department of Social work Linnaeus University Kalmar Sweden
5. Department of Cardiology Linköping University Linköping Sweden
6. Department of Heart Disease Haukeland University Hospital Bergen Norway
7. Department of Clinical Science University of Bergen Bergen Norway