1. Department of Heart Disease, Haukeland University Hospital , Jonas Lies vei 65, 5021 Bergen , Norway
2. Department of Clinical Science, University of Bergen, Laboratory Building, Haukeland University Hospital , Jonas Lies vei 87, 5020 Bergen , Norway
3. Centre of Interprofessional Collaboration within Emergency Care (CICE), Linnaeus University , Universitetsplatsen 1, 352 52 Växjö , Sweden
4. Department of Cardiology, Odense University Hospital , J.B. Winsløws Vej 4, 5000 Odense C , Denmark
5. Department of Clinical Research, Faculty of Health Science, University of Southern Denmark , Campus vej 55, 5230 Odense C , Denmark
6. Department of Cardiology, Stavanger University Hospital , Gerd-Ragna Bloch Thorsens gate, 4011 Stavanger , Norway
7. Department of Internal Medicine, Yale School of Medicine , Yale University, 300 George St 7th FL, New Haven, CT 06437 , USA
8. Department of Biostatistics, Yale School of Public Health, Yale University , 300 George St 7th FL, New Haven, CT 06437 , USA
9. Department of Cardiology, Oslo University Hospital , Sognsvannsveien 20, 0372 Oslo , Norway
10. Institute of Clinical Medicine, University of Oslo, Søsterhjemmet , Kirkeveien 166, 0450 Oslo , Norway
11. Department of Public Health and Primary Care, University of Cambridge School of Clinical Medicine, Forvie Site, Cambridge Biomedical Campus , Cambridge , UK