Funding for this research was provided by:
Science and Technology Innovation Team of Henan Province Supports Project (17IRTSTHN014)
Key Scientific Research Projects in Henan Province (18A510019, 18A510018)
Science and Technology Project of Henan Province (182102210111, 182102210110)
Text and Data Mining valid from 2018-05-21
Received: 7 February 2018
Accepted: 26 April 2018
First Online: 21 May 2018
: The authors declare that they have no competing interests.
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