Zhao, Chunchao
Ge, Jun
Li, Xia
Jiao, Ruifen
Li, Yuan
Quan, Huili
Li, Jianguo
Guo, Qing
Wang, Wenju
Funding for this research was provided by:
Shanxi Soft Science Research Program (2018041031-2)
the National Natural Science Foundation of China (81301441)
Article History
Received: 27 September 2019
Accepted: 13 February 2020
First Online: 27 February 2020
Competing interests
: The authors declare no competing interests.