- Correspondence to Dr Jing-Yuan Fang, Division of Gastroenterology and Hepatology, Shanghai Jiao-Tong University School of Medicine Renji Hospital, Key Laboratory of Gastroenterology and Hepatology, Ministry of Health, State Key Laboratory of Oncogene and Related Gene, Shanghai Institute of Digestive Disease, Shanghai, 200001, China;
- Received 15 November 2017
- Revised 30 November 2017
- Accepted 2 December 2017
- Published online 12 January 2018.
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