Funding for this research was provided by:
National Natural Science Fund Program (11875105, 11375043, 21866006)
the Main Academic and Technology Leader Funding Program of Jiangxi Province (20172BCB22020)
Text and Data Mining valid from 2019-09-19
Received: 15 July 2019
First Online: 19 September 2019
Compliance with ethical standards
: The authors declare that they have no conflict of interest.