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