Funding for this research was provided by:
National Natural Science Foundation of China (51505095, 51565024)
Natural Science Foundation of Guangxi Province (2018GXNSFAA281222)
Science and Technology Project of Guangxi (2018AD19080)
Article History
Received: 23 June 2018
Accepted: 6 March 2019
First Online: 15 March 2019