1. Addenbrookes Hospital; Academic Division of Neurosurgery, Department of Clinical Neurosciences; Box 167 Cambridge UK CB2 0QQ
2. Western General Hospital; Edinburgh Centre for Neuro-Oncology; Crewe Road Edinburgh Lothian UK EH4 2XU
3. Newcastle University; Institute of Health & Society; 21 Claremont Place Newcastle upon Tyne UK NE2 4AA
4. Western General Hospital; Edinburgh Centre for Neuro-Oncology (ECNO); Crewe Road Edinburgh Scotland UK EH4 2XU