Zhao, Hantong
Pan, Yingan
Wang, Changcong
Guo, Yinpei
Yao, Nan
Wang, Han
Li, Bo
Article History
Received: 23 June 2020
Accepted: 5 August 2020
First Online: 20 August 2020
Compliance with Ethical Standards
:
: The authors declare that they have no competing interests.Ethics ApprovalStudy protocols for NHANES were approved by the National Center for Health Statistics ethnics review board.Consent to ParticipateAll the participants signed the informed consent before participating in the study.Consent for PublicationNot applicable.