1. Okayama University Medical School
2. Yasuda Clinic of Internal Medicine
3. Torigoe-iin
4. Health Management Office, SMBC Nikko Securities Inc.
5. Department of Internal Medicine and Psychiatry, Fuji Toranomon Orthopedic Hospital
6. Emergency and General Internal Medicine, Rakuwakai Marutamachi Hospital
7. Department of Diagnostic and Generalist Medicine, Dokkyo Medical University
8. Muribushi Okinawa for Teaching Hospitals