- Correspondence to Professor Zhao-Shen Li, Department of Gastroenterology, Digestive Endoscopy Center, Changhai Hospital, the Second Military Medical University, Shanghai, 200433, China; and Dr. Zhuan Liao, Department of Gastroenterology, Changhai Hospital, the Second Military Medical University, Shanghai, China;
- Received 31 August 2017
- Accepted 8 September 2017
- Published in print 12 October 2017.
- Published first 26 September 2017.
If you wish to reuse any or all of this article please use the link below which will take you to the Copyright Clearance Center’s RightsLink service. You will be able to get a quick price and instant permission to reuse the content in many different ways.