Funding for this research was provided by:
Zhejiang Province philosophy and social science planning projects (15NDJC288YBM)
China Postdoctoral Science Foundation (2017M621903)
Article History
Received: 16 February 2017
Accepted: 22 March 2018
First Online: 10 April 2018
Ethics approval and consent to participate
: All students and their parents provided signed informed consent forms, and the study protocols were approved by the institutional review board of Zhejiang Financial College.
: Not applicable.
: The authors declare that they have no competing interests.
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