Hu, Kang
Ma, Rui-Jie
Ma, Chao
Zheng, Qing-Kang
Sun, Zhi-Gang
Funding for this research was provided by:
Research project of education and teaching reform of Shandong University in 2021 (2021Y138)
Cheeloo College of Medicine undergraduate teaching reform and research project of Shandong University in 2020 (qlyxjy-202042)
The first-class undergraduate course construction project of Shandong First Medical University in 2020 (2020XYK-18)
Article History
Received: 19 May 2021
Accepted: 3 June 2022
First Online: 9 June 2022
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. All the participants signed the informed consent, and the Jinan Central Hospital Ethics Committee approved this study.
: All subjects involved in both methods have provided consent for participation and publication.
: The authors declare no conflict of interest.