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Authors
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Funding
Funding for this research was provided by:
National Natural Science Foundation of China (31500371)
National Key Research and Development Program of China (2017YF050530401)
Doctoral Scientific Research Start-up Foundation from Henan University of Technology (40615003)
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Article History
Received: 17 June 2019
Accepted: 12 May 2020
First Online: 7 July 2020
Compliance with ethical standards
:
: The authors declare that they have no competing interests.
