- Correspondence to Professor Zhaoshen Li, Department of Gastroenterology Changhai Hospital, Second Military Medical University (Naval Medical University) Shanghai China ; and Professor Yiqi Du, Department of Gastroenterology, Changhai Hospital, Second Military Medical University (Naval Medical University), Shanghai 200433, China;
- Received August 29, 2018
- Revised October 9, 2018
- Accepted October 12, 2018
- First published October 27, 2018.
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