- Correspondence to Dr Sanchoy Sarkar, Royal Liverpool University Hospital, Department of Gastroenterology & Hepatology, 5z Link, Prescot Street Liverpool L9 8XL, UK;
- Received November 14, 2012
- Revised January 31, 2013
- Accepted February 7, 2013
- First published March 12, 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.