- Correspondence to Dr Francesco Azzolini, Unit of Gastroenterology and Digestive Endoscopy, Arcispedale Santa Maria Nuova-IRCCS, Reggio Emilia, 42123, Italy;
- Received August 21, 2014
- Revised September 9, 2014
- Accepted September 19, 2014
- First published October 15, 2014.
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