Wang, Gaoling
Duan, Jing
Kan, Qianqian
Zhou, Yuqin
Cheng, Zhaopeng
Tang, Shaoliang
Article History
Received: 5 December 2022
Accepted: 28 February 2023
First Online: 10 March 2023
Declarations
:
: All studies at CHARLS were ethically reviewed and approved by the Institutional Review Board of Peking University. The IRB approval number is IRB00001052–11015. All participants submitted informed consent prior to conducting the survey.
: Not applicable.
: The authors declare no competing interests.