1. Addenbrookes Hospital; Academic Division of Neurosurgery, Department of Clinical Neurosciences; Box 167 Cambridge UK CB2 0QQ
2. Western General Hospital; Clinical Neurosciences, Bramwell Dott Building; Crewe Road Edinburgh Midlothian UK EH4 2XU
3. Western General Hospital; Edinburgh Centre for Neuro-Oncology (ECNO); Crewe Road Edinburgh Scotland UK EH4 2XU
4. University of St Andrews; St Andrews Fife Scotland UK KY16 9AJ
5. Western General Hospital; Department of Clinical Neurosciences; Edinburgh Midlothian UK EH4 2XU