Chang, Fang
Huo, Yanan
Zhang, Songyan
Zeng, Hang
Tang, Bin
Funding for this research was provided by:
National Natural Science Foundation of China (72103114, 71933003)
Project 211 (B16031, B16031)
Article History
Received: 18 May 2023
Accepted: 12 September 2023
First Online: 23 September 2023
Declarations
:
: The Stanford University Institutional Review Board (IRB Protocol ID #19748) approved this study. Permission was received from local Boards of Education in each region and the principals of all schools. Written informed consent was obtained from at least one parent and/or legal guardian for all child participants.
: Not applicable.
: The authors declare no competing interests.