Zhao, Kunsheng
Zhang, Yun
Sui, Wenhai
Article History
Received: 1 February 2023
Accepted: 22 March 2023
First Online: 1 April 2023
Declarations
:
: All the adult participants in the NHANES provided written informed consent. The NHANES project was also approved by the NCHS. Moreover, the NHANES database is openly available. Therefore, the ethical review of our study is exempt.
: Not applicable.
: Not applicable.
: All authors in our study declare no competing interests.