1. Division of Nephrology and Endocrinology The University of Tokyo Hospital Tokyo Japan
2. Osteoporosis Center The University of Tokyo Hospital Tokyo Japan
3. Toranomon Hospital Endocrine Center, Toranomon Hospital Tokyo Japan
4. Division of Endocrinology and Metabolism, Department of Internal Medicine Gunma University Graduate School of Medicine Maebashi Japan
5. First Department of Internal Medicine Wakayama Medical University Wakayama Japan
6. Department of Geriatric Medicine Graduate School of Medical Sciences, Kyushu University Fukuoka Japan
7. Endocrine Center Okayama University Hospital Okayama Japan
8. Department of Diabetology and Endocrinology Kanazawa Medical University Kahoku Japan
9. Department of Endocrinology, Diabetes and Metabolism Fujita Health University Toyoake Japan
10. Fujii Memorial Institute of Medical Sciences, Institute of Advanced Medical Sciences, Tokushima University Tokushima Japan
11. Department of Musculoskeletal Oncology National Cancer Center Hospital East Kashiwa Japan