1. Department of Health Science, Shiga University of Medical Science, Otsu, Shiga 520-2192, Japan
2. Department of Epidemiology, Graduate School of Public Health, University of Pittsburgh, Pittsburgh, PA, USA
3. Department of Internal Medicine, Korea University Ansan Hospital, Ansan-si, Gyeonggi-do, South Korea
4. Department of Geriatric Medicine, John A. Burns School of Medicine, University of Hawaii, Kuakini Medical Center, Honolulu, HI, USA
5. University of Pittsburgh Medical Center, Pittsburgh, PA, USA
6. College of Nursing, Korea University, Anam-Dong, Seogbuk-Gu, Seoul, South Korea
7. Department of Preventive Medicine and Public Health, School of Medicine, Keio University, Tokyo, Japan
8. Division of Endocrinology and Metabolism, Department of Internal Medicine, Shiga University of Medical Science, Otsu, Shiga, Japan
9. Department of Radiology, Shiga University of Medical Science, Otsu, Shiga, Japan
10. Lifestyle-Related Disease Prevention Center, Shiga University of Medical Science, Otsu, Shiga, Japan