Funding for this research was provided by:
Ningbo Clinical Research Center for Digestive System Tumors (2019A21003)
Received: 21 December 2019
Accepted: 13 April 2020
First Online: 18 May 2020
Ethics approval and consent to participate
: The study involving human being was ratified and supervised by the Clinical Ethical Committee of HwaMei Hospital, University of Chinese Academy of Sciences and in line with the <i>Declaration of Helsinki</i>. Signed informed consent was acquired from each eligible participant. Animal experiments were performed in compliance with the recommendations in the Guide for the Care and Use of Laboratory Animals of the National Institutes of Health. The protocol was approved by the Animal Ethics Committee of HwaMei Hospital, University of Chinese Academy of Sciences.
: Not applicable.
: All authors declare that there is no conflict of interests in this study.