1. Paediatric Neuro-Oncology and Drug Development Teams, Children & Young People’s Unit, The Royal Marsden NHS Foundation Trust, London, UK;
2. Division of Clinical Studies and Cancer Therapeutics, The Institute of Cancer Research, London, UK;
3. Cancer Research UK Cancer Imaging Centre, The Institute of Cancer Research, London, UK;
4. Department of Circulation and Medical Imaging, NTNU – Norwegian University of Science and Technology, Trondheim, Norway;
5. Department of Radiology, The Royal Marsden NHS Foundation Trust, London, UK;
6. The Royal Marsden NHS Foundation Trust, Research Data Management and Statistics Unit, London, UK;
7. MRC Clinical Trials Unit, University College London, London, UK;
8. Paediatric Oncology Unit, Hospital Niño Jesús, Madrid, Spain;
9. Department of Radiotherapy, The Royal Marsden NHS Foundation Trust, London, UK