1. Department of Anaesthesiology, The Danish Poisons Information Center, Copenhagen University Hospital Bispebjerg-Frederiksberg, Copenhagen, Denmark;
2. Department of Drug Design and Pharmacology, Faculty of Health and Medical Sciences, University of Copenhagen, Denmark;
3. Department of Anaesthesiology, Copenhagen University Hospital Hvidovre, Copenhagen and Roskilde Festival, Roskilde, Denmark;
4. Department of Forensic Medicine, Aarhus University, Aarhus, Denmark