Funding for this research was provided by:
Jiangsu Social Science Foundatio (18JYB004)
Medical Education Branch of the Chinese Medical Association and the Medical Education Professional Committee of the Chinese Higher Education Association Medical education research projec (2018B-N17013)
Received: 4 June 2020
Accepted: 28 July 2021
First Online: 6 August 2021
: The study was approved by the Nanjing Medical University Ethics Committee. All participants were asked whether they would like to accept the interview. Those who agreed to do provided verbal consent to participate and for the data to be used in publication.
: Not applicable.
: The authors declare that they have no competing interests.