Zhang, Yafeng
Tian, Wei
Han, Xinhao
Yan, Guangcan
Ma, Yuanshuo
Huo, Shan
Shi, Yu
Dai, Shanshan
Ni, Xin
Li, Zhe
Fan, Lihua
Zhang, Qiuju
Article History
Received: 21 November 2021
Accepted: 15 February 2022
First Online: 2 March 2022
Declarations
:
: NHANES has been approved by the National Center for Health Statistics Ethics Review Board. Written informed consent was obtained from all participants. Information in detail is available at ExternalRef removed. The authors assert that all procedures contributing to this work comply with the ethical standards of the relevant national and institutional committees on human experimentation and with the Helsinki Declaration of 1975, as revised in 2008.
: Not applicable.
: The authors declare that they have no competing interests.