1. The Department of Cardiology, The Heart Centre, Copenhagen University Hospital, Rigshospitalet, Section 2142, Blegdamsvej 9, Copenhagen, Denmark
2. Department of Cardiology, Copenhagen University Hospital, Gentofte, Denmark
3. Section of Biostatistics, University of Copenhagen, Copenhagen, Denmark
4. The Danish Heart Foundation, Copenhagen, Denmark
5. The National Institute of Public Health, University of Southern Denmark, Copenhagen, Denmark
6. Department of Health Sciences and Technology, Aalborg University, Aalborg, Denmark
7. Department of Medicine and Surgery, University of Copenhagen, Copenhagen, Denmark