- Correspondence to Dr S Hirano, Department of Neurology, Graduate School of Medicine, Chiba University, Chiba, Japan, 1-8-1 Inohana, Chuo-ku, Chiba, 260-8670, Japan;
- Received April 24, 2008
- Revised July 17, 2008
- Accepted September 26, 2008
- First published August 14, 2009.
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.