1. Department of Cardiology, Aalborg University Hospital, Aalborg
2. Department of Cardiology, Nordsjællands Hospital, Hillerød
3. Department of Cardiology, Copenhagen University Hospital Herlev-Gentofte, Hellerup
4. Public Health and Epidemiology, Department of Health Science and Technology, Aalborg University, Aalborg
5. Copenhagen Emergency Medical Services, Copenhagen and University of Copenhagen
6. Danish Clinical Quality Program - National Clinical Registries (RKKP), Righospitalet, Copenhagen
7. Unit of Clinical Biostatistics and Epidemiology, Aalborg University Hospital, Aalborg
8. The Danish Heart Foundation
9. Department of Cardiology, Rigshospitalet
10. Department of Biostatistics, University of Copenhagen, Copenhagen, Denmark