- Received December 9, 2010, and in revised form February 11, 2011.
- Accepted for publication February 24, 2011.
- Reprints: Cumali Efe, MD, Department of Gastroenterology, Hacettepe University School of Medicine, 06100 Sihhiye, Ankara, Turkey. E-mail: .
- There is no conflict of interest to declare.
- First published December 15, 2015.
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