- Correspondence to Professor Rosario Cuomo, Department of Clinical and Experimental Medicine, Gastroenterological Unit, ‘Federico II’ University of Naples, Via Sergio Pansini 5, Naples 80131, Italy;
- Received January 20, 2012
- Revised November 23, 2012
- Accepted December 4, 2012
- First published January 3, 2013.
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