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Authors
Wang, Yongchun
Liu, Peng
Yao, Zhao
Wang, Yonghui
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Funding
Funding for this research was provided by:
the Fundamental Research Funds for the Central Universities (20101196829)
the MOE (Ministry of Education in China) Project of Humanities and Social Sciences
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Article History
First Online: 30 March 2020
Compliance with Ethical Standards
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: The authors declare no competing financial interests.
Free to read: This content has been made available to all.
