1. Research Center for Emergency Medicine, Department of Clinical Medicine; Aarhus University; Aarhus N Denmark
2. Emergency Department Regional; Hospital West Jutland; Herning Denmark
3. Department of Internal Medicine; Regional Hospital Randers; Randers Denmark
4. Department of Anesthesiology and Intensive Care; Aalborg University Hospital; Aalborg Denmark
5. Department of Anesthesiology; Regional Hospital West Jutland; Herning Denmark