1. Department of Clinical Research Coordination, National Center for Global Health and Medicine, Tokyo, Japan
2. Hitachi Health Care Center, Hitachi Ltd., Ibaraki, Japan
3. Department of Diabetes and Metabolic Medicine and Diabetes Research Center, National Center for Global Health and Medicine, Tokyo, Japan
4. Department of Health Promotion, National Institute of Public Health, Saitama, Japan
5. Department of Epidemiology and Prevention, National Center for Global Health and Medicine, Tokyo, Japan