- Correspondence to Professor Xiao-Ting Wu, Department of Gastrointestinal Surgery, West China Hospital, Sichuan University, Chengdu 610041, China;
- Received July 1, 2018
- Revised November 23, 2018
- Accepted November 26, 2018
- First published December 5, 2018.
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.