Ma, Guoliang
Xu, Bo
Wang, Zhizhuang
Duan, Weili
Chen, Xin
Zhu, Liguo
Yang, Bowen
Zhang, Dian
Qin, Xiaokuan
Yin, He
Wei, Xu
Article History
Received: 7 October 2024
Accepted: 18 December 2024
First Online: 23 December 2024
Declarations
:
: The investigation was granted approval by an ethics review board affiliated with the National Center for Health Statistics Research (NCHS).
: Not applicable.
: The authors declare no competing interests.