Wang, Chaoqian http://orcid.org/0000-0003-4847-4320
Zhang, Lei http://orcid.org/0000-0002-1110-9015
Li, Lijun http://orcid.org/0000-0003-3651-3441
Article History
Received: 17 September 2020
Accepted: 18 October 2020
First Online: 23 October 2020
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.