1. Department of Neurosurgery, The Walton Centre NHS Foundation trust, Liverpool, UK;
2. Institute of Translational Medicine, University of Liverpool, Liverpool, UK;
3. THIS Institute, University of Cambridge, Cambridge, UK;
4. National Cancer Registration and Analysis Service [Eastern Region], Fulbourn, Cambridge, UK;
5. Department of Oncology, Imperial Hospitals NHS Foundation Trust, London, UK;
6. Department of Neurosurgery, Salford Royal Hospital NHS Foundation Trust, Manchester, UK