Funding for this research was provided by:
the National Social Science Foundation of China (15BGL086)
Foundation of Jilin Science and Technology Committee (20200101086FG)
Research Fund for the Doctoral Program of Changchun Normal University (Research Fund for the Doctoral Program of Changchun Normal University)
Received: 29 July 2020
Accepted: 2 December 2020
First Online: 14 December 2020
: This article does not contain any studies with human participants or animals performed by any of the authors.
: All authors agree to submit this version and claim that no part of this manuscript has been published or submitted elsewhere.
: The authors declare that they have no conflict of interest.