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Authors
Wang, Dang https://orcid.org/0000-0002-2766-3029
Liu, Hongyun https://orcid.org/0000-0002-3472-9102
Hau, Kit-Tai https://orcid.org/0000-0003-4065-1855
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Article History
Received: 17 June 2021
Accepted: 5 October 2021
First Online: 1 November 2021
Declarations
: Statement The study was reviewed and approved by the research committee in Beijing Normal University, as well as by the committee in local government. All subjects and their parents were provided with written informed consent.
: The author(s) declared no potential conflicts of interest with respect to the research, authorship, and/or publication of this article.
