1. National Poisons Information Service, Newcastle UnitNewcastle upon Tyne Hospitals NHS Foundation Trust Wolfson Unit, Claremont Place Newcastle upon Tyne NE2 4HH UK
2. Department of Primary Care and Public HealthKing's College London Capital House London SE1 3QD UK
3. National Poisons Information Service, Cardiff UnitUniversity Hospital Llandough Penlan Road, Penarth Vale of Glamorgan CF64 2XX UK
4. National Poisons Information Service, Edinburgh UnitRoyal Infirmary of Edinburgh 51 Little France Crescent, Old Dalkeith Road Edinburgh EH16 4SA UK
5. Pharmacology, Toxicology and Therapeutics, University/BHF Centre for Cardiovascular ScienceUniversity of Edinburgh 47 Little France Crescent Edinburgh EH16 4TJ UK
6. National Poisons Information Service, Birmingham UnitCity Hospital Dudley Road Birmingham B18 7QH UK
7. Medical Toxicology Centre, Institute of Cellular Medicine, Wolfson BuildingNewcastle University Newcastle upon Tyne NE2 4HH UK