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Authors
Gu, Jiafeng https://orcid.org/0000-0002-5904-0897
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Funding
Funding for this research was provided by:
Social Science Foundation of China (17BSH122)
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Article History
Received: 9 September 2020
Accepted: 20 May 2021
First Online: 23 June 2021
Declarations
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: The author(s) declared no potential conflicts of interest with respect to the research, authorship, and/or publication of this article.
: This research is funded by the Social Science Foundation of China(17BSH122). The authors declare that they have no conflict of interest. Because the data in this research is not collected from human subjects and is not involving Human Participants and/or Animals, EA is no needed in this research.
