- Correspondence to Dr Sarah Anne Cooper, Department of Neurology, Brighton and Sussex University Hospitals, Brighton, UK;
- Accepted December 14, 2015
- First published January 19, 2016.
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.