Funding for this research was provided by:
Fundamental Research Funds for Central Universities (No.16lgjc73)
Student Research Project (SRP) at SCUT (No.9762)
Higher Education Research Fund at SCUT (gj2019014)
Article History
Received: 10 July 2019
Accepted: 9 September 2020
First Online: 22 September 2020
Ethics approval and consent to participate
: The study has been approved by the research ethics committee of the School of Medicine, South China University of Technology (SCUT). All of the participants agreed to participate in the current study, and written informed consent was obtained from all participants.
: Not applicable.
: The authors declare no conflict of interests.