Funding for this research was provided by:
Innovative Research Group Project of the National Natural Science Foundation of China (51621004)
National Natural Science Foundation of China (11602080, 51871092)
National Natural Science Foundation of China (11772122, 11572118)
Natural Science Foundation of Hunan Province (2018JJ3026)
National Key Research and Development Program of China (2016YFB0700300)
Fundamental Research Funds for the Central Universities
Article History
Received: 8 February 2020
Revised: 18 June 2020
First Online: 14 August 2020