1. Department of Research; Norwegian Air Ambulance Foundation; Drøbak Norway
2. Department of Global Public Health and Primary Care; University of Bergen; Bergen Norway
3. Department of Neurology; Haukeland University Hospital; Bergen Norway
4. Centre for Age-Related Medicine; Stavanger University Hospital; Stavanger Norway
5. Department of Clinical Medicine; University of Bergen; Bergen Norway
6. Faculty of Health Sciences; Anaesthesia and Critical Care Research Group; University of Tromsø; Tromsø Norway
7. Norwegian National Advisory Unit on Trauma; Oslo University Hospital; Oslo Norway
8. National Centre for Emergency Primary Health Care; Uni Research Health; Bergen Norway