- Correspondence to Dr Sanjin Bajgoric, Gastroenterology Department, Royal Stoke University Hospital, 11a St Christopher's Avenue, Stoke on Trent, Staffordshire ST4 5NA, UK;
- Received May 6, 2015
- Revised November 6, 2015
- Accepted November 25, 2015
- First published December 18, 2015.
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