- Correspondence to Dr Matthias Zilbauer, Department of Paediatric Gastroenterology, Hepatology and Nutrition, Box 267, Addenbrooke's Hospital, Cambridge University Hospital NHS Trust, Hills Road, Cambridge CB2 0QQ, UK;
- Received February 19, 2013
- Revised July 17, 2013
- Accepted July 23, 2013
- First published August 8, 2013.
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