1. Department of Internal Medicine, University of Tsukuba Institute of Clinical Medicine
2. Laboratory of Biostatistics, Faculty of Engineering, Tokyo University of Science
3. Department of Biostatistics, University of Tokyo School of Public Health
4. Fukui Chuo Clinic
5. Department of Internal Medicine, Osaka University
6. Department of Internal Medicine, Nippon Medical School
7. Department of Endocrinology and Metabolism, Jichi Medical College
8. The Fourth Department of Medicine, Saitama Medical School
9. Tokyo Metropolitan Geriatric Hospital
10. The Institute for Adult Diseases Asahi Life Foundation