Funding for this research was provided by:
Philosophy and Social Science Research in Zhejiang Province (19NDJC039Z)
Humanities and Social Sciences Planning Fund of Ministry of Education of China (18YJAZH002)
Zhejiang Province Public Welfare Technology Application Research Project (LGF19A010001)
Major Humanities and Social Sciences Projects in Colleges and Universities of Zhejiang Province (2018GH020)
Soft Science Foundation of Ningbo (2018A10041)
National College Students Innovation and Entrepreneurship Training Program (201910876026)
Article History
Received: 30 August 2019
Accepted: 5 December 2019
First Online: 12 December 2019
Competing interests
: The authors declare that there is no conflict of interests regarding the publication of this paper. The authors confirm that the mentioned received funding in the ’Acknowledgements’ section does not lead to any conflict of interests regarding the publication of this manuscript.