[1] Ehime Univ, Grad Sch Med, Dept Epidemiol & Prevent Med, Toon, Ehime, Japan
[2] Ehime Univ, Grad Sch Med, Gastroenterol & Metabol, Toon, Ehime, Japan
[3] Ehime Univ, Lifestyle Related Med & Endocrinol, Toon, Ehime, Japan
[4] Ehime Univ Hosp, Translat Res Ctr, Epidemiol & Med Stat Unit, Toon, Ehime, Japan
[5] Yawatahama Gen City Hosp, Dept Internal Med, Yawatahama, Ehime, Japan
[6] Matsuyama Shimin Hosp, Dept Internal Med, Matsuyama, Ehime, Japan
[7] Saiseikai Matsuyama Hosp, Dept Internal Med, Matsuyama, Ehime, Japan
[8] Ehime Cent Hosp, Dept Internal Med, Toon, Ehime, Japan
[9] Saiseikai Saijo Hosp, Dept Internal Med, Saijo, Ehime, Japan
[10] Ehime Niihama Hosp, Dept Internal Med, Toon, Ehime, Japan
[11] Juntendo Univ, Sch Med, Dept Publ Hlth, Tokyo, Japan