Funding for this research was provided by:
National Natural Science Foundation of China (11671343, 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