1. Departments of Neuropathology, UCL, Institute of Neurology, Queen Square, London WC1N 3BG, UK
2. Clinical and Experimental Epilepsy and Chalfont Centre for Epilepsy, UCL, Institute of Neurology, Queen Square, London WC1N 3BG, UK
3. Department of Biomedical Sciences, University of Westminster London W1W 6UW, UK
4. Epilepsy Research Centre, Department of Medicine (Neurology), University of Melbourne, Victoria 3052, Australia