1. Department of Intensive Care Surgical Division Umeå University Hospital Umeå Sweden
2. Clinic for Anaesthesiology Aalborg University Hospital Aalborg Denmark
3. Department of Anaesthesiology and Intensive Care Medicine Landspitali University Hospital Reykjavik Iceland
4. Department of Anaesthesiology Division of Critical Care Oslo University Hospital Oslo Norway
5. Department of Medicine Innlandet Hospital Trust‐Division Gjøvik Gjøvik Norway
6. Norwegian Knowledge Centre for the Health Services Oslo Norway
7. Department of Intensive Care Medicine Helsinki University Hospital Helsinki Finland