Leeds General Infirmary, Leeds, England, United Kingdom
Birmingham Children's Hospital, Birmingham, England, United Kingdom
Royal Manchester Children's Hospital, Manchester, England, United Kingdom
Nottingham City Hospital, Nottingham, England, United Kingdom
Cancer Research UK at Cambridge Research Institute, Cambridge, England, United Kingdom
Cancer Research UK at Cambridge Research Institute, Cambridge, England, United Kingdom
Cancer Research UK at Cambridge Research Institute, Cambridge, England, United Kingdom
Great Ormond Street Hospital for Children, London, England, United Kingdom
UCL Cancer Institute, London, England, United Kingdom
Bristol Royal Hospital for Children, Bristol, England, United Kingdom
Cancer Research UK and University College London Cancer Trials Centre, Exeter, England, United Kingdom
London School of Hygiene and Tropical Medicine, London, England, United Kingdom