1. Department of Anaesthesia and Intensive Care Copenhagen University Hospital—Bispebjerg and Frederiksberg Copenhagen Denmark
2. Department of Anaesthesiology Research Centre of Anaesthesiology and Intensive Care Medicine, Næstved‐Slagelse‐Ringsted Hospitals Slagelse Denmark
3. Department of Clinical Medicine Copenhagen University Copenhagen Denmark
4. Copenhagen Trial Unit, Centre for Clinical Intervention Research Copenhagen University Hospital—Rigshospitalet Copenhagen Denmark
5. Department of Neuroanaesthesiology, The Neuroscience Centre Copenhagen University Hospital—Rigshospitalet Copenhagen Denmark
6. Department of Anaesthesiology Centre for Anaesthesiological Research, Zealand University Hospital Køge Denmark
7. The Faculty of Health Sciences, Department of Regional Health Research University of Southern Denmark Odense Denmark