Funding for this research was provided by:
Fundamental Research Funds for the Central Universities (862946)
National Natural Science Foundation of China (11747601, 11835015)
National Natural Science Foundation of China (1170516, 1621131001)
National Natural Science Foundation of China (1805087)
Chinese Academy of Sciences (QYZDB-SSW-SYS013, XDPB09)
Deutsche Forschungsgemeinschaft (TRR110)
China Postdoctoral Science Foundation (2017M620920)
Article History
Received: 28 July 2019
Accepted: 6 January 2020
First Online: 21 January 2020