Liu, Cuiwei
Hou, Jingyi
Wu, Xinxiao
Jia, Yunde
Funding for this research was provided by:
National Natural Science Foundation of China (61602320)
National Natural Science Foundation of China (61673062)
Liaoning Doctoral Startup Project (201601172)
Liaoning provincial education department (L201607)
Article History
Received: 14 April 2017
Revised: 25 March 2018
Accepted: 23 May 2018
First Online: 9 June 2018