1. Children & Young People's Unit The Royal Marsden NHS Foundation Trust London UK
2. Department of Paediatric Oncology University Hospital Centre of São João Porto Portugal
3. Department of Neuropathology King's College Hospital NHS Foundation Trust London UK
4. Department of Neuroradiology King's College Hospital NHS Foundation Trust London UK
5. Department of Radiotherapy The Royal Marsden NHS Foundation Trust London UK
6. Division of Clinical Studies The Institute of Cancer Research London UK
7. Department of Neurosurgery King's College Hospital NHS Foundation Trust London UK