Funding for this research was provided by:
the Ph.D. Research Fund of Hubei University of Arts and Science (No. 2059065)
Article History
Received: 23 July 2019
Accepted: 25 October 2019
First Online: 7 November 2019
Compliance with ethical standards
:
: The authors declare that the funding did not lead to any conflict of interests regarding the publication of this manuscript. And there is no conflict of interest regarding the publication of this paper.
: The data used to support the findings of this study are included within the article.