- Correspondence to Dr Ugo Grossi, National Centre for Bowel Research and Surgical Innovation—Digestive Disease, Barts and The London School of Medicine and Dentistry, Queen Mary, University of London, 4 Newark Street, London E1 2AT, UK;
- Received November 17, 2014
- Revised February 2, 2015
- Accepted February 18, 2015
- First published March 12, 2015.
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