1. Department of Diabetes, Endocrinology and Nutrition Kyoto University Graduate School of Medicine Kyoto Japan
2. Sugawa Clinic Kyoto Japan
3. Metabolism and Endocrinology Division of Internal Medicine Kishiwada City Hospital Osaka Japan
4. Department of Pathology and Biology of Diseases Kyoto University Graduate School of Medicine Kyoto Japan
5. Clinical Research Institute National Hospital Organization Kyoto Medical Center Kyoto Japan