Funding for this research was provided by:
National Natural Science Foundation of China (11671343)
National Natural Science Foundation of China (11601460)
Natural Science Foundation of Hunan Province (2018JJ3491)
Hunan Provincial Science and Technology Department (2018WK4006)
Article History
Received: 12 November 2018
Revised: 18 May 2020
Accepted: 20 May 2020
First Online: 3 June 2020