1. Department of Anaesthesiology and Herlev ACES Herlev Anaesthesia Critical and Emergency Care Science Unit Copenhagen University Hospital, Herlev‐Gentofte Copenhagen Denmark
2. Department of Anaesthesiology Hvidovre University Hospital Hvidovre Denmark
3. Department of Nursing and Health Promotion Faculty of Health Sciences Oslo Metropolitan University Oslo Norway
4. Department of Anaesthesia and Intensive Care New Children's HospitalUniversity of Helsinki and Helsinki University Hospital Helsinki Finland