Funding for this research was provided by:
National Natural Science Foundation of China (11826212)
National Natural Science Foundation of China (11671341)
Education Department of Hunan Province (16A206)
Hunan Provincial Science and Technology Department (2018WK4006)
Natural Science Foundation of Hunan Province (2019JJ20016)
Article History
Received: 14 October 2018
Accepted: 8 July 2019
First Online: 24 July 2019