- Correspondence to Professor Arthur Kaser, Division of Gastroenterology and Hepatology, Department of Medicine, University of Cambridge, Addenbrooke's Hospital, Level 5, Box 157, Cambridge CB2 0QQ, UK;
- Received August 13, 2013
- Revised January 16, 2014
- Accepted January 28, 2014
- First published February 20, 2014.
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