1. Nova Laboratories Limited, Leicester, UK
2. Department of Pharmacy, University Hospitals of Leicester, Leicester, UK
3. St Albans, Herts, UK
4. Sir James Spence Institute, Great North Children's Hospital, Royal Victoria Infirmary, Newcastle UK
5. Department of Paediatric and Adolescent Haematology and Oncology and Children's BMT Unit, Great North Children's Hospital, Royal Victoria Infirmary, Newcastle upon Tyne, UK