Lin, Funing
Xue, Guangming
Su, Guangwang
Qin, Bin
Funding for this research was provided by:
the Project of Young and Middle-aged Researchers' Basic Ability Promotion for Guangxi colleges and universities (2019KY0669)
the Project of Joint Cultivation for Guangxi Natural Science Foundation (2018GXNSFAA294010)
the Project of Young Researchers' Scientific Research Development Foundation of Guangxi University of Finance and Economics (2019QNB18)
Article History
Received: 4 January 2020
Accepted: 26 March 2020
First Online: 7 April 2020
Competing interests
: The authors declare that they have no competing interests.