Wu, Mingze
Zeng, Shulin
Article History
Received: 24 October 2023
Accepted: 18 January 2024
First Online: 31 January 2024
Declarations
:
: The CHNS study was approved by the Institutional Review Board at the University of North Carolina and the National Institute of Nutrition and Health, Chinese Center for Disease Control and Prevention. All parents provided written informed consent for their children’s participation in the survey.
: Not applicable.
: The authors declare no conflict of interest.