Funding for this research was provided by:
the National Natural Science Foundation of China (31571161, 31970993)
the German Research Foundation (NSFC 61621136008, DFG TRR-169)
the Philosophy and Social Sciences Co-construction Project in Guangdong Province of China (GD17XXL03)
the Youth Project of Humanities and Social Sciences by Ministry of Education in China (19YJC190017)
Article History
Received: 22 July 2020
Accepted: 11 March 2021
First Online: 13 April 2021
Declarations
:
: All authors declare that they has no conflict of interest.
: This study was approved by the Institutional Review Board of the Educational School, Guangzhou University. All procedures performed in studies involving human participants were in accordance with the ethical standards of the institutional and national research committee and with the 1964 Helsinki Declaration and its later amendments or comparable ethical standards.
: Informed consent was obtained from all individual participants included in the study.