Li, Zhijie
Zhao, Hui
Liu, Jinning
Zhang, Jingqi
Shao, Zhiguo
Funding for this research was provided by:
National Natural Science Foundation of China (No. 71471094, No. 71874123)
Qingdao social science planning research project (No. QDSKL1901192, No. QDSKL1901192)
Humanities and Social Science Research Youth Fund Project of Ministry of Education (No. 17YJC630184)
Article History
Received: 24 July 2021
Accepted: 15 April 2022
First Online: 6 May 2022
Competing interests
: The authors declare no competing interests.