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Authors
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Funding
Funding for this research was provided by:
the National Social Science Fund of China (18ZDA333)
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Article History
Accepted: 4 December 2020
First Online: 6 January 2021
Compliance with Ethical Standards
:
: The participants in this study have given their written informed consent. The study protocol has been approved by the research institute’s committee on human research.
: No potential conflict of interest was reported by the authors.
