1. The Walton Centre NHS Foundation Trust; Department of Neurosurgery; Lower Lane Liverpool Merseyside UK L9 7LJ
2. The Walton Centre for Neurology and Neurosurgery; Department of Neurosurgery; Lower Lane Liverpool Merseyside UK L9 7LJ
3. Addenbrookes Hospital; Academic Division of Neurosurgery, Department of Clinical Neurosciences; Box 167 Cambridge UK CB2 0QQ
4. Newcastle University; Institute of Health & Society; Medical School New Build Richardson Road Newcastle upon Tyne UK NE2 4AX
5. Royal United Hospital; Cochrane Gynaecological, Neuro-oncology and Orphan Cancer Group; Education Centre Bath UK BA1 3NG