1. Department of Endocrinology, Hematology and Gerontology Chiba University Graduate School of Medicine Chiba Japan
2. Division of Diabetes, Metabolism and Endocrinology Chiba University Hospital Chiba Japan
3. Department of Plastic, Reconstructive and Aesthetic Surgery Chiba University, Faculty of Medicine Chiba Japan
4. Department of Infection Control Chiba University Hospital Chiba Japan
5. Department of Ophthalmology and Visual Science Chiba University Graduate School of Medicine Chiba Japan
6. Department of Dermatology Gunma University Graduate School of Medicine Maebashi Japan
7. Department of Health Development and Medicine Osaka University Graduate School of Medicine Osaka Japan
8. Department of Orthopaedic Surgery Nara Medical University Nara Japan
9. Department of Community Healthcare and Geriatrics Nagoya University Graduate School of Medicine Nagoya Japan
10. Department of Medicine, Division of Diabetes Metabolism and Endocrinology, International University of Health and Welfare Narita Japan
11. Center for Preventive Medical Sciences Chiba University Chiba Japan