- Correspondence to Dr Nick Kane, Grey Walter Department of Clinical Neurophysiology, North Bristol NHS Trust, Bristol BS10 5NB, UK;
- Accepted May 27, 2015
- First published July 27, 2015.
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.