- Correspondence to Dr Keith Siau, Department of Gastroenterology, Russell’s Hall Hospital, Pensnett Road, Dudley, DY1 2HQ, UK;
- Received 1 February 2017
- Revised 18 April 2017
- Accepted 6 May 2017
- Published in print 1 October 2017.
- Published online 11 September 2017.
- Published first 29 June 2017.
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.