1. Centre for Paediatric Pharmacy Research
2. Institute of Child Health, University College London, London, England
3. Department of Pharmaceutics, School of Pharmacy, University of London, London, England
4. Pharmacy Department, University College London Hospitals, London, England
5. Global Manufacturing Supplies, GlaxoSmithKline, Ware, England
6. General and Adolescent Unit, University College Medical School