Chu, Bin-Lin
Zhang, Wen http://orcid.org/0000-0002-8166-2879
Article History
Received: 23 March 2022
Accepted: 8 July 2022
First Online: 4 August 2022
Declarations
:
: The data were from the China Health and Retirement Longitudinal Study, which was approved by the Ethical Review Committee of Beijing University (IRB00001050-11015) and signed informed consent was obtained from all participants. All methods were carried out in accordance with relevant guidelines and regulations.
: Not applicable.
: The authors declare that they have no competing interests.