1. Yutaka Seino Distinguished Center for Diabetes Research Kansai Electric Power Medical Research Institute Kobe Japan
2. Center for Diabetes, Endocrinology and Metabolism Kansai Electric Power Hospital Osaka Japan
3. Department of Diabetes, Endocrinology and Metabolism Gifu University Graduate School of Medicine Gifu Japan
4. Division of Molecular and Metabolic Medicine Kobe University Graduate School of Medicine Kobe Japan
5. Biostatistics Center Graduate School of Medicine, Kurume University Kurume Japan
6. Nakanoshima Clinic Osaka Japan
7. Department of Endocrinology and Metabolism Fujita Health University Toyoake Japan