Funding for this research was provided by:
Fundamental Research Funds for the Central Universities (2572019BC01)
Natural Science Foundation of Heilongjiang Province (A2018001)
Hubei Technological Innovation Special Fund (202010225137)
Text and Data Mining valid from 2021-01-12
Version of Record valid from 2021-01-12
Article History
Received: 4 September 2020
Accepted: 6 December 2020
First Online: 12 January 2021
Competing interests
: The authors declare that they have no competing interests.