- Correspondence to Dr Raad Shakir, Imperial College NHS Healthcare Trust, Charing Cross Hospital, London W8 8RP, UK;
- Received October 23, 2013
- Accepted October 28, 2013
- First published November 18, 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.