Fan, Yonggang
Ni, Shuangfei
Zhang, Huafeng
Article History
Received: 27 July 2021
Accepted: 18 November 2021
First Online: 2 December 2021
Declarations
:
: NHANES was approved by the National Center for Health Statistics Research Ethics Review Board.
: Not applicable.
: Not applicable.
: Not applicable.
: The authors declare no competing interests.