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Authors
Lei, Li-cai
Gao, Shang
Zeng, En-yu
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Funding
Funding for this research was provided by:
National Natural Science Foundation of China (71801185)
Social Science Foundation of Hunan Province (17YBA369)
The Ministry of Education Layout Foundation of Humanities and Social Sciences (19YJA630030)
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Article History
First Online: 18 April 2020
Compliance with ethical standards
:
: The authors declare that there is no conflict of interest.
