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Authors
Qin, Vicky Mengqi https://orcid.org/0000-0003-2597-2845
Zhang, Yuting
Chia, Kee Seng
McPake, Barbara
Zhao, Yang
Hulse, Emily S. G.
Legido-Quigley, Helena
Lee, John Tayu
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Article History
Received: 11 January 2021
Accepted: 25 May 2021
First Online: 19 June 2021
Declarations
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: CHARLS was approved by the Ethical Review Committee (IRB) at Peking University, Beijing, China. All participants were required to provide written informed consent.
: Not applicable.
: Not applicable.
