- Correspondence to Dr Vijay Pattni, Department of Gastroenterology, Southmead Hospital, North Bristol NHS Trust, Bristol, BS10 5NB, UK;
- Received 29 March 2017
- Revised 20 June 2017
- Accepted 3 July 2017
- Published online 16 August 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.