- Correspondence to: M M Reilly National Hospital for Neurology and Neurosurgery, Queen Square, London WC1N 3BG, UK;
- Received January 3, 2006
- Accepted March 5, 2006
- Revised January 3, 2006
- First published August 16, 2006.
If you wish to reuse any or all of this article please use the link below which will take you to the Copyright Clearance Center’s RightsLink service. You will be able to get a quick price and instant permission to reuse the content in many different ways.