1. Department of Diabetes, Metabolism and Endocrinology, Mie University Graduate School of Medicine, Japan
2. Department of Diabetes and Endocrinology, Mie University Hospital, Japan
3. Department of Immunology, Mie University Graduate School of Medicine, Japan
4. Yokkaichi Hazu Medical Center, Japan
5. Department of Gastroenterology and Hepatology, Mie University Graduate School of Medicine, Japan