Wang, Chenggong
Ouyang, Yang
Liu, Hua
Xu, Can
Xiao, Han
Hu, Yihe
Li, Yusheng
Zhong, Da http://orcid.org/0000-0001-5733-0754
Funding for this research was provided by:
Medical Education Research of Medical Education Branch of Chinese Medical Association and Medical Education Committee of Chinese Higher Education Association (2018B-N05033)
Degree and Postgraduate Education Reform Research of Hunan province (2019JGYB028)
Education Reform Research of Central South University (2019jy154)
Article History
Received: 17 December 2019
Accepted: 2 July 2020
First Online: 20 July 2020
Ethics approval and consent to participate
: This study was approved by the ethics committee of the Xiangya Hospital of Centre South University (No. 201903055). Informed consent was obtained from all individual participants included in the study. All participants were over 18 years old, and they all signed the informed consent by themselves.
: All participants involved had given informed consent.
: The authors declare that they have no competing interests.