Sun, Xiaozhi
Wu, Xiaotao
Article History
Received: 30 December 2022
Accepted: 23 February 2023
First Online: 2 March 2023
Declarations
:
: The study protocol regarding the NHANES III was approved by the National Center for Health Statistics of the Center for Disease Control and Prevention Institutional Review Board and adhered to the basic principles of the Declaration of Helsinki, and all participants provided signed informed consent forms at the time of participation in NHANES III.
: Not applicable.
: The authors declare no competing interests.