- Correspondence to Dr Anita Blanka Tryc, Clinic of Neurology, Hannover Medical School, Carl-Neuberg-Str. 1, Hannover 30623, Germany;
- Received July 8, 2012
- Revised December 3, 2012
- Accepted December 4, 2012
- First published January 7, 2013.
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.