1. Department of Metabolism & Endocrinology Juntendo University Graduate School of Medicine Tokyo Japan
2. Center for Molecular Diabetology Juntendo University Graduate School of Medicine Tokyo Japan
3. Sportology Center Juntendo University Graduate School of Medicine Tokyo Japan
4. Naka Kinen Clinic Ibaraki Japan
5. Department of Biostatistics Faculty of Medicine University of Tsukuba Ibaraki Japan
6. Center for Therapeutic Innovations in Diabetes Juntendo University Graduate School of Medicine Tokyo Japan