- Correspondence to Dr Reena Sidhu, Academic Unit of Gastroenterology, Royal Hallamshire Hospital, Sheffield Teaching Hospitals NHS Trust, Sheffield S10 2JF, UK;
- Received November 12, 2018
- Revised December 5, 2018
- Accepted December 16, 2018
- First published January 9, 2019.
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.