1. Department of Diabetes, Metabolism and Endocrinology, School of Medicine International University of Health and Welfare Chiba Japan
2. Department of Plastic, Reconstructive, and Aesthetic Surgery Chiba University Graduate School of Medicine Chiba Japan
3. Department of Infectious Diseases Chiba University Hospital Chiba Japan
4. Department of Dermatology Gunma University Graduate School of Medicine Gunma Japan
5. Department of Orthopaedic Surgery Nara Medical University Nara Japan
6. Department of Health Development and Medicine Osaka University Graduate School of Medicine Osaka Japan
7. Department of Endocrinology, Hematology and Gerontology Chiba University Graduate School of Medicine Chiba Japan
8. Department of Internal Medicine, School of Medicine Teikyo University Tokyo Japan
9. Center for the Promotion of Clinical Investigation Tokyo Metropolitan Geriatric Hospital Tokyo Japan
10. Department of Community Healthcare & Geriatrics Nagoya University Graduate School of Medicine, Institutes of Innovation for Future Society, Nagoya University Nagoya Japan