- Correspondence to: H Schmidt Department of Neurology, University of Goettingen, Goettingen, Germany;
- Received May 9, 2005
- Accepted November 7, 2005
- Revised October 24, 2005
- First published March 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.