- Correspondence to Dr Richard S McLachlan, Department of Clinical Neurological Sciences, University Hospital, London Health Sciences Centre (LHSC), 339 Windermere Road, London, Ontario, N6A 5A5, Canada;
- Received August 4, 2009
- Revised November 13, 2009
- Accepted November 17, 2009
- First published June 20, 2010.
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