- Correspondence to Dr Seth D Crockett, Division of Gastroenterology and Hepatology, University of North Carolina School of Medicine, Chapel Hill, NC 27516, USA;
- Received 12 September 2017
- Revised 18 December 2017
- Accepted 5 January 2018
- Published online 1 March 2018.
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.