- Correspondence to Dr R Thornton, UCL, Institute of Neurology, MRI Unit, National Society for Epilepsy, Chesham Lane, Chalfont St Peter, Buckinghamshire SL9 0RJ, UK;
- Received October 1, 2009
- Revised December 17, 2009
- Accepted December 24, 2009
- First published June 14, 2010.
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