Chen, Fen http://orcid.org/0000-0002-2791-1918
Yang, Dongliang http://orcid.org/0000-0003-4201-8391
Wang, Zhenlong http://orcid.org/0000-0002-2287-7028
Article History
Received: 14 November 2020
Accepted: 17 December 2020
First Online: 6 January 2021
Compliance with Ethical Standards
:
: The authors declare that they have no conflict of interest.
: NHANES was approved by the National Center for Health Statistics Research Ethics Review Board.
: The code of this study will be made available on reasonable request.