- Correspondence to Dr Jon Stone, Department Clinical Neurosciences, Western General Hospital, Edinburgh EH4 2XU, UK;
- Received December 22, 2012
- Revised March 1, 2013
- Accepted March 3, 2013
- First published March 28, 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.