Wu, Ya
Liu, Xiaobo
Gao, Lijie
Sun, Xiaohong
Hong, Qianqi
Wang, Qian
Kang, Zhen
Yang, Chao
Zhu, Sui
Funding for this research was provided by:
Basic and Applied Basic Research Foundation of Guangdong Province (No. 2020A1515011161)
Guangdong Medical Scientific Research Foundation of China (No. A2023135)
Article History
Received: 10 October 2022
Accepted: 19 January 2024
First Online: 1 February 2024
Declarations
:
: This study was approved by the Ethics Committee of Harbin Center for Disease Control and Prevention prior to the data being collected, with a waiver of informed consent because data were analyzed at aggregated level and no participants were contacted. The right to refuse to participate was guaranteed. The consent to participate was not obtained from the parents/guardians Methods were performed in accordance with the relevant guidelines and regulations.
: Not applicable.
: The authors declare no competing interests.
: We confirm that all methods were carried out in accordance with relevant guidelines and regulations.