Wang, Yi
Liu, Jie
Zhang, Min
Funding for this research was provided by:
National Natural Science Foundation of China (11601270, 11626087, 11701567)
Research Foundation for Doctor Programme of Henan Polytechnic University (B2016-58)
Article History
Received: 13 December 2017
Accepted: 4 May 2018
First Online: 11 May 2018
Competing interests
: The authors declare that there is no conflict of interests regarding the publication of this article.