1. Critical Care and Anaesthesiology Research Group Stavanger University Hospital Stavanger Norway
2. Department of Research and Development Norwegian Air Ambulance Foundation Drøbak Norway
3. Laerdal Medical Stavanger Norway
4. Emergency Medical Communication Centre Division of Prehospital Medicine Stavanger University Hospital Stavanger Norway
5. Department of Research Stavanger University Hospital Stavanger Norway
6. Department of Clinical Medicine University of Bergen Bergen Norway
7. Department of Anesthesiology and Intensive Care Stavanger University Hospital Stavanger Norway
8. The Regional Centre for Emergency Medical Research and Development (RAKOS) Clinic of Prehospital Medicine Stavanger University Hospital Stavanger Norway