Luo, Chun
Liu, Rui-yan
Zhang, Guang-wu
Hu, Fei
Jin, Yu-hong
Liu, Bing-yang
Funding for this research was provided by:
Natural Science Foundation of Ningbo (2021J031)
Zhejiang Provincial Medical and Health Science and Technology Project (2023KY1032)
Article History
Received: 29 March 2023
Accepted: 13 June 2023
First Online: 3 July 2023
Declarations
:
: The authors declare that the research was conducted in the absence of any commercial or financial relationships that could be construed as a potential conflict of interest.
: The CHARLS protocol was approved by the Ethical Review Committee of Peking University (approval number: IRB00001052 − 11015). All research procedures involving human participants conformed to institutional and/or National Research Council ethical standards as well as the 1964 Declaration of Helsinki and its subsequent amendments or similar ethical standards. Written informed consent was obtained from all participants.
: Not applicable.