1. Department of Family and Community Medicine, Mie University School of Medicine
2. Department of Hygiene, National Defense Medical College
3. International Research Center for Medical Education, University of Tokyo
4. Fifth Department of Internal Medicine, Tokyo Medical University (Kasumigaura Hospital)
5. Department of General Medicine, Nagoya University School of Medicine
6. Second Department of Internal Medicine, Osaka Medical College
7. Department of Geriatric Medicine, Ehime University School of Medicine