1. Diabetes Therapeutics and Research Center Institute of Advanced Medical Sciences Tokushima University Tokushima Japan
2. Department of Hematology, Endocrinology and Metabolism Tokushima University Graduate School of Biomedical Sciences Tokushima Japan
3. Department of Endocrinology and Metabolism Osaka Police Hospital Osaka Japan
4. Osaka General Medical Center Osaka Japan
5. Osaka Rosai Hospital Osaka Japan
6. Osaka Kaisei Hospital Osaka Japan
7. Kansai Rosai Hospital Hyogo Japan
8. Department of Metabolic Medicine Graduate School of Medicine Osaka University Suita Osaka Japan