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