1. Swedish Poisons Information Center, Stockholm, Sweden;
2. Department of Anesthesiology and Intensive Care, Skåne University Hospital, Lund, Sweden;
3. Department of Forensic Genetics and Forensic Toxicology, National Board of Forensic Medicine, Linköping, Sweden;
4. Department of Medical and Health Sciences Division of Drug Research, Linköping University, Linköping, Sweden