1. Yutaka Seino Distinguished Center for Diabetes Research; Kansai Electric Power Medical Research Institute; Kobe Japan
2. Department of Diabetes, Endocrinology and Nutrition; Kyoto University Graduate School of Medicine; Kyoto Japan
3. Division of Molecular and Metabolic Medicine; Kobe University Graduate School of Medicine; Kobe Japan
4. Departments of Endocrinology and Diabetes Metabolic Medicine; Nagoya University Graduate School of Medicine; Nagoya Japan
5. Center for Diabetes, Endocrinology and Metabolism; Kansai Electric Power Hospital; Osaka Japan