Funding for this research was provided by:
the Project of Guangdong Provincial Humanities and Social Sciences Key Research Base (18JD07)
Humanity and Social Science Foundation of the Ministry of Education of China (20YJA630072, 20YJC630221)
natural science foundation of guangxi province (2020GXNSFBA159056)
Philosophy and Social Science Foundation of Guangdong Province (GD19CGL15)
Philosophy and Social Science Foundation of Guangxi (20FGL042)
Guangdong Basic and Applied Basic Research Foundation (2019A1515010727)
Wuzhou University Research Foundation for Advanced Talents (WZUQDJJ17137)
philosophy and social science foundation of china (17XGL006)
Article History
Accepted: 25 September 2021
First Online: 1 October 2021
Declarations
:
: All procedures performed in studies involving human participants were in accordance with the ethical standards of the institutional and/or national research committee and with the 1964 Helsinki declaration and its later amendments or comparable ethical standards.
: Oral informed consent was obtained from all individual participants included in the study.
: All authors declare no conflicts of interest with respect to the authorship or the publication of this article.