1 Research Center for Emergency Medicine, Aarhus University Hospital, Palle Juul-Jensens Boulevard 99, 8200 Aarhus N, Denmark; Department of Internal Medicine, Randers Regional Hospital, Skovlyvej 15, 8930 Randers NOE, Denmark. Electronic address: rasmus.aagaard@clin.au.dk.
2 Research Center for Emergency Medicine, Aarhus University Hospital, Palle Juul-Jensens Boulevard 99, 8200 Aarhus N, Denmark; Department of Internal Medicine, Randers Regional Hospital, Skovlyvej 15, 8930 Randers NOE, Denmark; Department of Cardiology, Aarhus University Hospital, Palle Juul-Jensens Boulevard 99, 8200 Aarhus N, Denmark.
3 Department of Intensive Care Medicine, Aarhus University Hospital, Palle Juul-Jensens Boulevard 99, 8200 Aarhus N, Denmark.
4 Department of Anaesthesiology and Intensive Care Medicine, Aarhus University Hospital, Palle Juul-Jensens Boulevard 99, 8200 Aarhus N, Denmark; Research & Development, Prehospital Emergency Medical Services, Central Denmark Region, Olof Palmes Allé 34,1(st)floor, 8200 Aarhus N, Denmark.