1. Clinical Trials Unit; Department of; Paediatric Haematology, Oncology and SCT; Hospital Infantil Universitario Niño Jesus; Madrid Spain
2. Children and Young People's Unit; The Royal Marsden NHS Foundation Trust; Sutton United Kingdom
3. Cancer Research UK Clinical Trials Unit; University of Birmingham; Birmingham United Kingdom
4. Hummingbird House Children's Hospice; Brisbane Australia
5. Leeds Community Healthcare NHS Trust; Leeds United Kingdom
6. Department of Cancer Studies; Clinical Sciences Building; Leicester Royal Infirmary; University of Leicester; Leicester United Kingdom
7. Children and Young People's Unit; The Royal Marsden NHS Foundation Trust; Sutton United Kingdom (retired)