1. Department of Cardiology, Copenhagen University Hospital Gentofte, Post 365, Kildegårdsvej 28, Hellerup, Denmark
2. Emergency Medical Services, Copenhagen, The Capital Region of Denmark, Telegrafvej 5, Ballerup, Denmark
3. Department of Biostatistics, University of Copenhagen, Øster Farigmagsgade 5, Copenhagen, Denmark
4. Unit of Epidemiology and Biostatistics, Aalborg University Hospital, Sdr. Skovvej 15, Aalborg, Denmark
5. Department of Cardiology, Aalborg University Hospital, Sdr. Skovvej 15, Aalborg, Denmark
6. National Institute of Public Health, University of Southern Denmark, Studiestræde 6, Copenhagen, Denmark
7. The Danish Heart Foundation, Vognmagergade 7, Copenhagen, Denmark
8. Department of Health Science and Technology, Aalborg University Hospital, Sdr. Skovvej 15, Aalborg, Denmark