- Correspondence to Dr Hidetoshi Takedatsu, Division of Gastroenterology, Department of Medicine, Kurume University School of Medicine, 67 Asahi-machi, Kurume, Fukuoka 830-0011, Japan;
- Received 27 July 2016
- Revised 14 September 2016
- Accepted 18 September 2016
- Published online 18 October 2016.
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