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Authors
Wang, Dianxi https://orcid.org/0000-0002-8412-2413
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Funding
Funding for this research was provided by:
National Social Science Foundation of China (19CSH010)
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Article History
Received: 7 April 2019
Accepted: 21 August 2019
First Online: 4 September 2019
Ethics approval and consent to participate
: Ethical approval for this study was granted by Institutional Review Board of Renmin University of China. With the approval of the IRB, written informed consent was received from parents or legal guardian and verbal assent was received from children.
: This manuscript does not contain any individual person’s data in any form.
: The views expressed in the submitted article are the authors’ own and not an official position of the institution or the funders.
