Wang, Xiaohua
Xie, Lin
Yang, Shuo
Article History
Received: 17 April 2023
Accepted: 13 July 2023
First Online: 20 July 2023
Declarations
:
: In compliance with the Declaration of Helsinki, every NHANES protocol was approved by Ethics Review Board of National Center for Health Statistics. Every participant signed the informed consent.
: Not applicable.
: The authors declare that they have no competing interests.