Zhao, Yuan
Xu, Xin
Dupre, Matthew E.
Xie, Qianqian
Qiu, Li
Gu, Danan
Article History
Received: 14 April 2020
Accepted: 21 September 2020
First Online: 29 September 2020
Ethics approval and consent to participate
: No ethics approval was required for this study. The data were obtained from a publicly accessible database of the Chinese Longitudinal Healthy Longevity Survey at the National Archive of Computerized Data on Aging, University of Michigan (ExternalRef removed) with a signed data use agreement.
: Not applicable.
: No conflicts interest to declare.