Shi, Shi
Zhu, Qingqing
Liao, Shengen
Zhu, Xu
Tang, Xiaosu
Zhou, Yanli
Article History
Received: 19 August 2021
Accepted: 16 November 2021
First Online: 30 November 2021
Declarations
:
: The NHANES implementation protocol was approved and conducted by Centers for Disease Control and Prevention (CDC) National Center for Health Statistics (NCHS). Informed consent was obtained from all participants ().
: Not applicable. There is no individual level data in our publication.
: The authors declare no competing interests.