Lian, Zhiwei
Zhu, Chunsu
Yuan, Haowen
Chen, Ying
Article History
Received: 27 December 2021
Accepted: 28 March 2022
First Online: 14 April 2022
Declarations
:
: The Chinese Longitudinal Healthy Longevity Survey (CLHLS) were performed in accordance with the Declaration of Helsinki. It obtained ethics approval from Duke University Health System’s Institutional Review Board, the National Bureau of Statistics of China, and the Ethical Committee of the Social Science Division of Peking University. Written informed consent was obtained from each participant.
: Not applicable.
: The authors declare that they have no competing interests.