1 National Poisons Centre, Department of Preventive and Social Medicine, University of Otago, Dunedin, New Zealand 2 Department of Anesthesia and Intensive Care Medicine, Surgical Sciences, Blå Stråket 5, Sahlgrenska University Hospital, Gothenburg, Sweden 3 National Poisons Information Service (Birmingham Unit) and West Midlands Poisons Unit, City Hospital, Birmingham, UK; School of Bioscience...