1. Department of Cardiology, Zealand University Hospital, Roskilde, Denmark
2. National Institute of Public Health, University of Southern Denmark, Odense, Denmark
3. The Heart Centre, Department of Cardiology, Rigshospitalet, Copenhagen University Hospital, Copenhagen, Denmark
4. Danish Centre for Rehabilitation and Palliative Care, University of Southern Denmark and University Hospital of Odense, Odense, Denmark
5. National Institute for Regional and Local Government Research, Copenhagen, Denmark
6. Department of Health Sciences, University of York, York, UK
7. College of Health Sciences, University of Wisconsin-Milwaukee, Milwaukee, WI, USA
8. Department of Public Health, Aarhus University, Aarhus, Denmark
9. Department of Clinical Medicine, Aarhus University, Aarhus, Denmark