1. Department of Epidemiology and Preventive Medicine, Ehime University Graduate School of Medicine, Japan
2. Epidemiology and Medical Statistics Unit, Translational Research Center, Ehime University Hospital, Japan
3. Department of Internal Medicine, Yawatahama General City Hospital, Japan
4. Department of Internal Medicine, Matsuyama Shimin Hospital, Japan
5. Department of Internal Medicine, Saiseikai Matsuyama Hospital, Japan
6. Department of Gastroenterology and Metabology, Ehime University Graduate School of Medicine, Japan
7. Department of Public Health, Juntendo University School of Medicine, Japan
8. Department of Internal Medicine, Ehime Prefectural Central Hospital, Japan
9. Department of Internal Medicine, Saiseikai Saijo Hospital, Japan
10. Department of Internal Medicine, Ehime Niihama Hospital, Japan
11. Department of Internal Medicine, Saiseikai Imabari Hospital, Japan
12. Department of Lifestyle-related Medicine and Endocrinology, Ehime University Graduate School of Medicine, Japan