University of Southern Denmark, University of Southern Denmark, affiliation not provided to SSRN, Odense University Hospital, affiliation not provided to SSRN, affiliation not provided to SSRN, affiliation not provided to SSRN, affiliation not provided to SSRN, University of Copenhagen - Department of Cardiology, University of Copenhagen - Department of Clinical Medicine, University of Copenhagen - Copenhagen Emergency Medical Services, University of Southern Denmark and University of Southern Denmark