- Correspondence to Professor Chun-Ying Wu, Division of Gastroenterology, Taichung Veterans General Hospital, 1650, Sec. 4, Taiwan Avenue, Taichung 40705, Taiwan;
- Received July 30, 2014
- Revised October 27, 2014
- Accepted October 28, 2014
- First published November 14, 2014.
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