1. Clinical Toxicology, Guy's and St Thomas’ NHS Foundation Trust, London, UK;
2. Laboratory and Managed Services, LGC Ltd, Fordham, Cambridgeshire, UK;
3. Department of Health Sciences, Waters Corporation, Wilmslow, Cheshire, UK;
4. Laboratory of Toxicology, Ghent University, Ghent, Belgium;
5. Faculty of Life Sciences and Medicine, King's College London, London, UK