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Authors
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Funding
Funding for this research was provided by:
National Social Science Foundation of China (16CJY045)
National Natural Science Foundation of China (NSFC71974125, NSFC71661137004, NSFC71573166)
Philosophy and Social Science Foundation of Hunan Province (2018BJJ062)
The Major Project of Key Research Base of Humanities and Social Sciences of Ministry of Education, China (15JJD790023)
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Article History
Received: 28 April 2020
Accepted: 28 September 2020
First Online: 3 October 2020
Compliance with ethical standards
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: The authors declare that they have no competing interests.
: The work does not involve any hazards, such as the use of animal or human subjects’ issue.
: All of the authors of the paper have participated in certain substantive aspects of this study, and they are acknowledged or listed as contributors.
: The paper has not been and will not be submitted simultaneously to other journals. The paper is entirely original works conducted by us without copying or plagiarism issues. The information reported in the paper is accurate according to our best knowledge. A single study do not be split up into several parts to increase the quantity of submissions and submitted to various journals or to one journal over time. We consent to publish.
