1. Department of Laboratory Medicine, The Jikei University Kashiwa Hospital
2. Division of Cardiovascular and Internal Medicine, Kanazawa University Graduate School of Medical Sciences
3. Outpatient department of Internal Medicine, Nihonbashi Sakura Clinic
4. Endowed Research Department Food for Health, Ochanomizu University
5. Department of Internal Medicine, National Center for Global Health and Medicine Kohnodai Hospital
6. Department of Preventive Medicine and Public Health, Keio University School of Medicine
7. Division of Anti-aging and Vascular Medicine, Department of Internal Medicine, National Defense Medical College
8. Division of Diabetes, Endocrinology, and Metabolism, Department of Medicine, Nippon Medical School
9. Department of Vascular Medicine, Graduate School of Medicine, Osaka City University
10. Department of Clinical-Laboratory and Experimental-Research Medicine, Toho University Sakura Medical Center
11. Department of Clinical Laboratory Medicine, Juntendo University School of Medicine
12. Department of Life sciences and Bioethics, Tokyo Medical and Dental University
13. Department of Community Healthcare & Geriatrics, Nagoya University Graduate School of Medicine
14. Rinku General Medical Center, Izumisano
15. Department of Community Medicine, Osaka University Graduate School of Medicine