1. Department of Clinical Cell Biology and Medicine Chiba University Graduate School of Medicine Chiba Japan
2. Department of Diabetes, Metabolism and Endocrinology Chiba University Hospital Chiba Japan
3. Chiba University Hospital Clinical Research Center Chiba Japan
4. Department of Regional Disaster Medicine Chiba University Graduate School of Medicine Chiba Japan
5. Hotaruno Central Clinic Chiba Japan
6. Chiba Central Medical Center Chiba Japan
7. Misaki Naika Clinic Chiba Japan
8. Chiba Aoba Municipal Hospital Chiba Japan
9. Tokyo Women's Medical University Yachiyo Medical Center Chiba Japan