1. Dutch Poisons Information Centre, University Medical Centre Utrecht, Utrecht University, Utrecht, The Netherlands
2. Department of Clinical Pharmacology and Therapeutics, Faculty of Medicine and Surgery, University of Malta, Msida, Malta
3. Department of Anaesthesiology, The Danish Poisons Information Centre, Copenhagen University Hospital Bispebjerg, Copenhagen, Denmark
4. Poisons Information Centre, Department of General Paediatrics, Adolescent Medicine and Neonatology, Medical Center – University of Freiburg, Faculty of Medicine, University of Freiburg, Germany
5. Toxicology Unit, Poison Control Centre and National Toxicology Information Centre, Istituti Clinici Scientifici Maugeri, IRCCS Maugeri Hospital, University of Pavia, Pavia, Italy
6. National Poisons Information Centre, Associated Institute of the University of Zurich, Zurich, Switzerland