Wang, Yutang http://orcid.org/0000-0002-6264-6443
Article History
Received: 27 October 2021
Accepted: 13 December 2021
First Online: 20 December 2021
Declarations
:
: The National Center for Health Statistics Research Ethics Review Board (ERB) approved all study protocols (ERB Numbers: NHANES III, NHANES Protocol #98–12, NHANES Protocol #2005–06, and NHANES Protocol #2011–17). All procedures were performed following the guidelines of the Declaration of Helsinki. Written informed consent was obtained from all participants. The participants’ records were anonymized before being accessed by the author.
: Not applicable.
: The author declares that he has no competing interests.