- Correspondence to Dr Alberto Lleó, Neurology Department, Hospital de la Santa Creu i Sant Pau, Sant Antoni M Claret 167, Barcelona 08025, Spain;
- Received May 28, 2013
- Revised September 27, 2013
- Accepted October 29, 2013
- First published December 4, 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.