[1] London Hlth Sci Ctr, Dept Pathol, Div Neuropathol, London, ON, Canada
[2] London Hlth Sci Ctr, Epilepsy Program, London, ON, Canada
[3] London Hlth Sci Ctr, Div Neurosurg, London, ON, Canada
[4] London Hlth Sci Ctr, Dept Clin Neurol Sci, Dept Epidemiol & Biostat, London, ON, Canada
[5] London Hlth Sci Ctr, Schulich Sch Med & Dent, Dept Diagnost Imaging, Div Neuroradiol, London, ON, Canada