Funding for this research was provided by:
Japan Society for the Promotion of Science (21H03161)
Received: 24 February 2022
Accepted: 18 July 2022
First Online: 23 July 2022
: Participants provided a written informed consent form, and those who understood the purpose of the research and agreed to participate in the study.All the participants were informed that the participation was not mandatory and was not related to their grading.All methods were carried out in accordance with relevant guidelines and regulations.This study was approved by the Institutional Review Board of Shinshu University (#5049).
: Not applicable.
: RD is an Associate Editor of BMC Medical Education. The other authors have no competing interests.