Liu, Yuyan
Wang, Huan
Liang, Yuanhong
Guo, Zijun
Qu, Litong
Wang, Ying
Zhang, Chengwen
Sun, Guifan
Li, Yongfang
Funding for this research was provided by:
the Scientific Research Fund Project from Department of Education of Liaoning Province, China (LJKR0277)
Article History
Received: 15 May 2023
Accepted: 7 August 2023
First Online: 15 August 2023
Declarations
:
: Informed consents were obtained from all participants and/or their legal guardian(s). All procedures performed in studies involving human participants were in accordance with the ethical standards of the institutional and/or national research committee and with the 1964 Helsinki declaration and its later amendments or comparable ethical standards. The study was conducted in accordance with the Declaration of Helsinki, and approved by the Institutional Review Board of the National Institute for Nutrition and Health, Chinese Center for Disease Control and Prevention, China (#201524); and the Carolina Population Center, University of North Carolina, Chapel Hill, NC, USA (#07–1963).
: Not applicable.
: The authors declare no competing interests.