- Correspondence to Dr C J M Frijns, Department of Neurology, C03.229, University Medical Centre Utrecht, PO Box 85500, 3584 Utrecht, The Netherlands;
- Received October 7, 2010
- Revised January 12, 2011
- Accepted February 21, 2011
- First published March 22, 2011.
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.