[1] Kings Neuro Lab, Dept Neurosurg, London, England
[2] Kings Coll London, Sch Biomed Engn & Imaging Studies, London, England
[3] Kings Coll Hosp NHS Fdn Trust, Dept Neuropathol, London, England
[4] Kings Coll Hosp NHS Fdn Trust, Dept Neurosurg, London, England