Funding for this research was provided by:
National Natural Science Foundation of China (81673183)
Received: 18 May 2021
Accepted: 6 January 2022
First Online: 12 January 2022
: The study was approved by the Institutional Review Boards of the University of North Carolina at Chapel Hill, and the Institute of Nutrition and Health, China Center for Disease Control and Prevention.
: Not applicable.
: The authors declare that they have no competing interests.