1. University of TromsøThe Arctic University of Norway Tromsø Norway
2. Department of Forensic Sciences Section for Drug Abuse Research Oslo University Hospital Oslo Norway
3. Department of Anaesthesia and Intensive Care Hammerfest HospitalFinnmark Hospital Trust Hammerfest Norway
4. Norwegian National Advisory Unit on Trauma Division of Emergencies and Critical Care Oslo University Hospital Oslo Norway
5. Institute of Health and Society Faculty of Medicine University of Oslo Oslo Norway