Funding for this research was provided by:
National Natural Science Foundation of China (10471144)
China Postdoctoral Science Foundation (2017M610852)
Humanities and Social Sciences Foundation of the Ministry of Education (15YJC890004)
Jilin Provincial Social Science Foundation (2016A5)
Ministry of Education Science and Technology Development Center (2018A01002)
Article History
Received: 13 December 2019
Accepted: 17 June 2020
First Online: 26 June 2020