1. Research Center for Emergency Medicine, Aarhus University Hospital, Aarhus, Denmark
2. Department of Clinical Medicine, Aarhus University, Aarhus, Denmark
3. Department of Anesthesiology and Intensive Care, Randers Regional Hospital, Randers, Denmark
4. Department of Anesthesiology and Intensive Care, Aarhus University Hospital, Aarhus, Denmark
5. Prehospital Emergency Medical Services, Central Denmark Region, Denmark