Xu, Yan
Yang, Zhijie
Yuan, Jiahai
Funding for this research was provided by:
National Natural Science Foundation of China (71673085)
Program for the Innovative Talents of Higher Education Institutions of Shanxi (PTIT)
Program for the Philosophy and Social Sciences Research of Higher Learning Institutions of Shanxi (2020W061)
Article History
Received: 29 September 2020
Accepted: 11 January 2021
First Online: 28 January 2021
Complaince with ethical standards
:
: The authors declare that they have no competing interests.