1. Department of Rheumatology, Endocrinology and Nephrology Faculty of Medicine and Graduate School of Medicine Hokkaido University Sapporo Japan
2. Division of Diabetes and Endocrinology Department of Medicine NTT Sapporo Medical Center Sapporo Japan
3. Clinical Research and Medical Innovation Center Hokkaido University Hospital Sapporo Japan
4. Division of Diabetes and Obesity Faculty of Medicine and Graduate School of Medicine Hokkaido University Graduate School of Medicine Sapporo Japan