1. Department of Mathematics, Faculty of Natural Sciences, Imperial College London, London SW7 2AZ, UK
2. Department of Neurosurgery, The National Hospital for Neurology and Neurosurgery, London WC1N 3BG, UK
3. Samantha Dickson Brain Cancer Unit, UCL Cancer Institute, London WC1E 6DD, UK
4. Department of Physiology and Medical Physics, Royal College of Surgeons in Ireland, Dublin D02 YN77, Ireland
5. Division of Medicine, Centre for Advanced Biomedical Imaging, University College London (UCL), London WC1E 6BT, UK
6. Genomics Translational Technology Platform, UCL Cancer Institute, University College London, London WC1E 6DD, UK