Zhu, Xiaoqing
Xu, Weihao
Song, Tingting
Wang, Xinyan
Wang, Qingsong
Li, Jun
Liu, Xixi
Hao, Benchuan
Chen, Tao
Guo, Jun
Article History
Received: 5 April 2024
Accepted: 18 May 2024
First Online: 6 June 2024
Declarations
:
: All participants provided informed consent, and CHARLS received approval from the Ethics Review Committee of Peking University.
: The authors declare no competing interests.