So Yamashita1, Hirohisa Fujikawa2,3, Toru Yoshizawa1
1Department of Obstetrics and Gynecology, Suwa Central Hospital, Nagano, Japan
2Department of Medical Education Studies, International Research Center for Medical Education, Graduate School of Medicine The University of Tokyo, Tokyo, Japan
3Department of Internal Medicine, Suwa Central Hospital, Chino, Nagano, Japan
