1. Department of Medicine Asahikawa Medical University Hokkaido Japan
2. Jikei University School of Medicine Tokyo Japan
3. Kanazawa Medical University Ishikawa Japan
4. Tokyo Women's Medical University Tokyo Japan
5. Kitasato University Kanagawa Japan
6. Okayama University Hospital Okayama Japan
7. St. Marianna University School of Medicine Kanagawa Japan
8. Niigata University Niigata Japan
9. Kanazawa University Ishikawa Japan
10. Tohoku University Hospital Miyagi Japan
11. Osaka City University Graduate School of Medicine Osaka Japan
12. Tokyo Medical University Tokyo Japan
13. Wakayama Medical University Wakayama Japan
14. Yabuki Hospital Yamagata Japan
15. Kagawa Nutrition University Saitama Japan
16. Kawasaki Medical School Hospital Hiroshima Japan
17. Kyoto University Hospital Kyoto Japan