Zhang, Ying
Wang, Jianqiang
Ma, Wei
Li, Xiuwei
Wang, Haiyan
Xu, Jing http://orcid.org/0000-0003-3955-4097
Article History
Received: 27 October 2022
Accepted: 23 June 2023
First Online: 5 July 2023
Declarations
:
: All authors declare that there are no conflicts of interest.
: The study has been approved by the Ethics Committee of National Institute of the Nutrition and Health of the Chinese Center for Disease Control and Prevention (2018-013). It has, therefore, been performed in accordance with the ethical standards laid down in the 1964 Declaration of Helsinki and its later amendments. All respondents agreed to participate in the study and signed informed consent.