Zhao, Yuchen
Guo, Qian
Zhao, Jiahao
Bian, Mengyao
Qian, Liqianxin
Shao, Jing
Wang, Qirong
Duan, Xiaoli http://orcid.org/0000-0002-7424-9656
Article History
Received: 26 August 2022
Accepted: 7 January 2023
First Online: 20 January 2023
Declarations
:
: The ethics review committee of Peking University approved the CHARLS project (IRB00001052–11015).
: Written informed consent was provided by all participants.
: All authors agree with publication in this journal.
: The authors declare no competing interests.