- Correspondence to Dr Fusao Ikeda, Department of Gastroenterology and Hepatology, Okayama University Graduate School of Medicine, Dentistry and Pharmaceutical Sciences, 2-5-1, Shikata-cho, Okayama 700-8558, Japan;
- Received June 21, 2015
- Accepted July 31, 2015
- First published August 19, 2015.
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