Liu, Junwei
Ren, Ruihong
Xie, Rui
Funding for this research was provided by:
National Natural Science Foundation of China (11526179)
Natural Science Foundation of Hebei Province (A2016203341)
Tianjin Science and Technology Committee (160022)
Doctoral Scientific Research Foundation of Tianjin University of Commerce (R160101)
National Nurture Fund of Tianjin University of Commerce (170113)
Article History
Received: 22 October 2019
Accepted: 5 March 2020
First Online: 23 March 2020
Competing interests
: The authors declare that they have no competing interests.