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Authors
Han, Huarui
Wei, Shuya
Yang, Jun
Guan, Li
Li, Wenhuan
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Funding
Funding for this research was provided by:
Projects of the National Social Science Foundation of Chin (16@ZH022)
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Article History
Received: 12 March 2019
Accepted: 25 May 2019
First Online: 6 June 2019
Competing interests
: The authors declare that they have no competing interests.
