1 PhD student, Department of Medical Education Studies, International Research Center for Medical Education, Graduate School of Medicine, The University of Tokyo, Bunkyo-ku, Tokyo, Japan; hirohisa.fujikawa@gmail.com ; ORCID: https://orcid.org/0000-0002-8195-1267 .
2 Professor, Department of Medical Education Studies, International Research Center for Medical Education, Graduate School of Medicine, The University of Tokyo, Bunkyo-ku, Tokyo, Japan.