1. Lysholm Department of Neuroradiology, National Hospital for Neurology and Neurosurgery, London, UK
2. Teenage and Young Adult Cancer Unit, Department of Paediatric Oncology, University College London Foundation Hospital, London, UK
3. Division of Neuropathology, National Hospital for Neurology and Neurosurgery, University College London NHS Foundation Trust, London, UK
4. Department of Clinical and Movement Neurosciences and Queen Square Brain Bank for Neurological Disorders, Queen Square Institute of Neurology, University College London, London, UK
5. Department of Neurodegenerative Disease, Queen Square Institute of Neurology, University College London, London, UK
6. Department of Neurosurgery, National Hospital for Neurology and Neurosurgery, London, UK
7. Neuroradiology Academic Unit, Department of Brain, Repair and Rehabilitation, UCL Institute of Neurology, London, UK
8. Imaging Department, University College London Foundation Hospital, London, UK