- Correspondence to Dr Simon M Everett, Department of Gastroenterology, Leeds Teaching Hospitals NHS Trust, Leeds Teaching Hospitals, Level 4, Bexley Wing, Leeds LS9 7TF, UK;
- Received March 22, 2016
- Revised May 19, 2016
- Accepted May 22, 2016
- First published June 20, 2016.
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