1. Department of Anaesthesiology Division of Emergencies and Critical Care Oslo University Hospital OsloNorway
2. Faculty of Medicine Section for Physiology University of Oslo Oslo Norway
3. Department of Medical Biochemistry Division of Emergencies and Critical Care Oslo University Hospital Oslo Norway
4. Department of Surgery Section for Plastic and Reconstructiv Surgery Østfold Hospital Trust MossNorway
5. Department of Anaesthesiology University Hospital of North Norway TromsøNorway
6. Department of Research and Development Division of Emergencies and Critical Care Oslo University Hospital Oslo Norway