Received: 11 February 2022
Accepted: 25 May 2022
First Online: 27 June 2022
: All participants were recruited via the Department of Gastroenterology, The Second Affiliated Hospital of Third Military Medical University. Written informed consent was given by all participants before collection of the samples. The research group strictly followed the guidelines of the Declaration of Helsinki and the principle of ‘biomedical research involving human norms of international ethics’ established by the WHO and CIOMS. The study was approved by the Medical Ethics Committee of The Second Affiliated Hospital of Third Military Medical University. All animal experimental protocols were performed following the guidelines of the National Institutes of Health Guide for the Care and Use of Laboratory Animals, approved by the Laboratory Animals Welfare and Ethics Committee of Third Military Medical University (No. AMWUEC2020582).
: Not applicable.
: The authors declare that they have no competing interests.