- Correspondence to Professor Robin Spiller, NIHR Nottingham Digestive Diseases Biomedical Research Unit, Nottingham Digestive Diseases Centre, University of Nottingham, University Hospital Nottingham, Queen's Medical Centre, E Floor West Block, Nottingham, Nottinghamshire NG7 2UH, UK;
- Received October 31, 2012
- Revised July 2, 2013
- Accepted July 4, 2013
- First published August 2, 2013.
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