- Correspondence to Dr Arthur Kaser, Div of Gastroenterology and Hepatology, Dept of Medicine, University of Cambridge, Addenbrooke's Hospital, Level 5, Box 157, Cambridge CB2 0QQ, UK;
- Received November 4, 2013
- Revised November 14, 2013
- Accepted November 15, 2013
- First published December 11, 2013.
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