Wang, Miyuan
Hu, Lin
Peng, Hongye
Yao, Junjie
Zhang, Xinyi
Zhang, Zheng
Article History
Received: 29 June 2023
Accepted: 6 October 2023
First Online: 26 October 2023
Declarations
:
: CHARLS obtained its initial approval from the Institutional Review Board of Peking University in 2008 (IRB00001052-11,015), and the methods used in this study complied with the applicable norms and guidelines of CHARLS. All participants provided written informed consent before voluntarily joining CHARLS.
: Not applicable.
: The authors declare no competing interests.