- Correspondence to Dr Alexander Grimm, Department of Neurology, Basel University Hospital, University Basel, Petersgraben 4, Basel CH-4000, Switzerland;
- Received April 8, 2014
- Revised August 12, 2014
- Accepted August 19, 2014
- First published September 10, 2014.
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.