Jia, Caihong
Yang, Feng
Zhao, Lei
Cheng, Gang
Yang, Guanghong
Funding for this research was provided by:
Natural Science Foundation of Henan Province (182300410180)
Article History
Received: 24 October 2018
Accepted: 25 December 2018
First Online: 8 January 2019
Competing Interests
: The authors declare that they have no competing interests.
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