- Correspondence to Andrew J Irvine, Department of Gastroenterology & Liver Unit, Royal Hallamshire Hospital, University of Sheffield, Room P39, P Floor, Glossop Road, S10 2JF, UK; ; Requests for reprints to:
- Received December 18, 2014
- Revised February 17, 2015
- Accepted February 19, 2015
- First published March 18, 2015.
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