1. Department of General Medicine Chiba University Hospital Chiba Japan
2. Department of Community‐Oriented Medical Education Chiba University Graduate School of Medicine Chiba Japan
3. Ando Occupational Health Consultant Office Tokyo Japan
4. Department of International Cooperation for Medical Education, International Research Center for Medical Education, Graduate School of Medicine The University of Tokyo Tokyo Japan
5. Yamanashi City Makioka Hospital Yamanashi Japan
6. Katsuta Hospital Hitachinaka Ibaraki Japan
7. Department of General Medicine Nerima Hikarigaoka Hospital Tokyo Japan
8. Department of Diagnostic and Generalist Medicine Dokkyo Medical University Hospital Shimotsuga‐gun Tochigi Japan