Zhang, Hong
Li, Xintong
He, Fan
Zhao, Mingqin
Ling, Liansheng
Funding for this research was provided by:
Program of the Education Department of Henan Province
National Natural Science Foundation of China (21375153)
Fundamental Research Funds for the Central Universities
Article History
Received: 24 May 2018
Accepted: 31 July 2018
First Online: 13 August 2018
Competing Interests
: The authors declare no competing interests.