Xu, Jiawei
Liu, Yang
Qiu, Wei
Li, Wenwen
Hu, Xiaoxiao
Li, Xia
Fan, Qiang
Tang, Wenge
Wang, Yujie
Wang, Qing
Yao, Ning
Funding for this research was provided by:
Chongqing Health Commission and Chongqing Science and Technology Commission (2020FYYX040)
the First Batch of Key Disciplines on Public Health in Chongqing
Article History
Received: 14 September 2023
Accepted: 8 May 2024
First Online: 28 May 2024
Declarations
:
: All procedures involving human beings in this study were in accordance with the guidelines laid down in the Declaration of Helsinki and approved by the Ethical Committee of Chongqing CDC. Written informed consent was obtained from the legal guardians of the children before enrolment.
: Not applicable.
: The authors declare no competing interests.