1. Department of Oncology, Alder Hey Children’s NHS Foundation Trust, Eaton Road, Liverpool L12 2AP, UK
2. Department of Neurology, Alder Hey Children’s NHS Foundation Trust, Eaton Road, Liverpool L12 2AP, UK
3. Department of Neurosurgery, Alder Hey Children’s NHS Foundation Trust, Eaton Road, Liverpool L12 2AP, UK
4. Department of Radiology, Alder Hey Children’s NHS Foundation Trust, Eaton Road, Liverpool L12 2AP, UK