1. Swedish Poisons Information Centre, Stockholm, Sweden;
2. Department of Forensic Genetics and Forensic Toxicology, National Board of Forensic Medicine, Linköping, Sweden;
3. Department of Medical and Health Sciences, Division of Drug Research, Linköping University, Linköping, Sweden;
4. Department of Cardiology, Stockholm South General Hospital, Stockholm, Sweden;
5. Department of Paediatric Anaesthesia, Intensive Care and ECMO services, Astrid Lindgren Children's Hospital, Karolinska University Hospital, Stockholm, Sweden;
6. Swedish Poisons Information Centre, Stockholm, Sweden