1. Department of Metabolic Medicine Nagoya University Graduate School of Medicine Nagoya Japan
2. Department of Endocrinology and Diabetes Nagoya University Graduate School of Medicine Nagoya Japan
3. Department of Diabetes, Endocrinology and Nutrition Graduate School of Medicine Kyoto University Kyoto Japan
4. Department of Medical Physiology Graduate School of Medicine Chiba University Chiba Japan
5. Division of Molecular and Metabolic Medicine Kobe University Graduate School of Medicine Kobe Japan