1. Department of Cardiology, Copenhagen University Hospital Gentofte, Denmark
2. Faculty of Health and Medical Sciences, University of Copenhagen, Denmark
3. Department of Cardiology, North Zealand Hospital, Denmark
4. The Heart Centre, Copenhagen University Hospital Rigshospitalet, Denmark
5. Institute of Health, Science and Technology, Aalborg University, Denmark
6. The National Institute of Public Health, University of Southern Denmark, Denmark
7. The Danish Heart Foundation, Denmark