Funding for this research was provided by:
National Natural Science Foundation of China (41571417, U1604145, 61802111, 61872125)
Science and Technology Foundation of Henan Province of China (182102210027, 182102410051)
China Postdoctoral Science Foundation (2018T110723, 2016M602235)
Key Scientific Research Projects for Colleges and Universities of Henan Province (19A413001)
the Research Foundation of Henan University (xxjc20140006)
Article History
Received: 24 December 2018
Revised: 6 July 2019
Accepted: 2 September 2019
First Online: 17 October 2019
Compliance with ethical standards
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: The authors declare that they have no conflict of interest.