1. Departments of Diabetes, Endocrinology, and Nutrition (H.K.) Kyoto University Graduate School of Medicine, Kyoto 606-8507, Japan
2. Medical Innovation Center (H.I., K.D., M.B., T.K., C.S., K.H., K.K., K.N.) Kyoto University Graduate School of Medicine, Kyoto 606-8507, Japan
3. National Cerebral and Cardiovascular Center Research Institute (H.H., K.K.), Osaka 565-8565; Japan
4. The First Department of Medicine (H.A., T.A.), Wakayama Medical University, Wakayama 641-8509, Japan
5. Human Health Sciences (K.H.), Kyoto University Graduate School of Medicine, Kyoto 606-8507, Japan