- Correspondence to Dr Aamir Saifuddin, Department of Gastroenterology, Tunbridge Wells Hospital, Maidstone and Tunbridge Wells NHS Trust, Kent TN2 4QJ, UK;
- Received August 22, 2017
- Revised November 15, 2017
- Accepted November 19, 2017
- First published December 11, 2017.
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