Authors’ contributions
JE performed creation of virtual reality based-education tool using 360° video and prefabricated head-mounted display, data acquisition, data analysis and draft manuscript. JY contributed to major writing the manuscript, review and correction of video, statistical interpretation, photographic works, and providing educational opinion (conception). JH helped installation of virtual reality tool for participants, prefabricated head-mounted display guide for participants, and a scenario of 360° video from the operator’s point of view was created. JG performed the overall organization and direction of the research (supervision), providing educational opinion, and final revision of the manuscript. JE and JY contributed equally to this work and are co-first authors. All authors read and approved the final manuscript.