Yang, Haikuan
Yang, Keming
Zhang, Zhengying
Funding for this research was provided by:
Shanxi Provincial Foundation for Science and Technology Research (201701D221090)
National Natural Science Foundation of China (21802127)
Science Foundation of North University of China (XJJ2016015)
Article History
Received: 25 November 2018
Revised: 25 April 2019
Accepted: 29 May 2019
First Online: 18 June 2019
Compliance with ethical standards
:
: The authors declare that they have no conflict of interest.