Funding for this research was provided by:
China Scholarship Council (201706340085)
National Natural Science Foundation of China (11772322, 11702238)
the Strategic Priority Research Program of the Chinese Academy of Sciences (XDB22040502)
Article History
Received: 10 August 2019
Revised: 11 February 2020
Accepted: 13 February 2020
First Online: 23 March 2020
Compliance with ethical standards
:
: The authors declare that they have no conflict of interest.
: The main findings from this work can be reproduced by implementing the relevant equations and choosing the same parameter values as used above.