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Authors
Liang, Ru-xia
He, Sang-sang
Wang, Jian-qiang
Chen, Ke
Li, Lin
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Funding
Funding for this research was provided by:
Key Project of Hunan Social Science Achievement Evaluation Committee (XSP18ZDI021)
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Article History
Received: 25 December 2018
Revised: 21 April 2019
Accepted: 13 May 2019
First Online: 22 May 2019
Compliance with ethical standards
:
: The authors declare that no conflict of interest exists regarding the publication of this paper.
