Zhang, Tiejun
Wang, Qin
Lin, Heng
Liu, Luya
Wang, Xiaoqin
Kang, Runmin
Yang, Xin
Wang, Hongning
Lei, Changwei https://orcid.org/0000-0002-4602-525X
Article History
Received: 5 October 2025
Accepted: 9 August 2026
First Online: 30 August 2026
Declarations
Ethics approval and consent to participate: The Medical Ethics Committee in Sichuan University approved the protocols of human and animal sample collection (approval number K2022018). The volunteers signed an informed consent form and agreed to the sample collection. They also completed a short questionnaire related to personal information, such as age, gender, antibiotic use, and healthy condition.
Competing interests: The authors declare no competing interests.