- Correspondence to Dr Alex Ford, Leeds Gastroenterology Institute, St. James's University Hospital, Room 125, 4th Floor, Bexley Wing, Beckett Street, Leeds LS9 7TF, UK;
- Received 13 September 2015
- Revised 13 October 2015
- Accepted 24 October 2015
- Published online 13 November 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.