Ke, Chaofu
Qiao, Yanan
Liu, Siyuan
Rui, Yuqi
Wu, Ying
Funding for this research was provided by:
National Natural Science Foundation of China (81703316, 81703322)
Medical Scientific Research Foundation of Guangdong Province of China (A2019438)
Article History
Received: 6 February 2020
Accepted: 10 November 2020
First Online: 22 November 2020
Compliance with ethical standards
:
: None declared.
: CHARLS was approved by Biomedical Ethics Review Committee of Peking University, and all participants signed informed consents.
: All participants enrolled in CHARLS signed informed consents.