- Dr H Zéphir, Clinique Neurologique, Hôpital Roger Salengro, 59037 Lille Cedex, France;
- Received October 12, 2006
- Revised November 14, 2007
- Accepted December 24, 2007
- First published January 21, 2008.
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.