Li, Shijie
Li, Ying
Du, Juan
Liang, Aimin
Lian, Hongyun
Ma, Honghao
Zhang, Rui
Funding for this research was provided by:
National Natural Science Foundation of China (No.82070202 and 82141119)
Beijing Natural Science Foundation (No. 7232058, 7242053)
the Capital’s Funds for Health Improvement and Research (2022-2-1141)
Funding for Reform and Development of Beijing Municipal Health Commission
Article History
Received: 25 December 2025
Accepted: 13 February 2026
First Online: 27 February 2026
Declarations
:
: This study was approved by the Ethics Committee with the approve number of [2021]-E-165-R. The study was conducted in accordance with the Declaration of Helsinki. Children aged less than eight years signed an informed consent by their caregivers. Children aged eight years or older signed the informed consent form with their caregivers together.
: Not applicable.
: The authors declare no competing interests.