Funding for this research was provided by:
Jiangxi Provincial Department of education (JXJG-15-1-7)
Article History
Accepted: 5 October 2020
First Online: 14 October 2020
Compliance with Ethical Standards
:
: The authors declare that they have no conflict of interest.
: The protocol was submitted to the ethics committee of Nanchang University Jiangxi Medical College before the study was conducted. Since the study did not involve human materials and personal information, but rather analyzed aggregated data, approving process by the Institutional Review Boards was exempted.
: Not applicable. The usage of data was approved by the NCU Department of Teaching Affairs and the Deans’ office of Nanchang University Queen Mary School.