- Correspondence to Dr Anjan Dhar, Department of Gastroenterology, Darlington Memorial and Bishop Auckland Hospitals, Cockton Hill Road, County Durham DL14 6AD, UK;
- Received November 16, 2016
- Revised January 26, 2017
- Accepted January 29, 2017
- First published February 24, 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.