[1] Tokushima Univ Grad Sch Biomed Sci, Dept Hematol Endocrinol & Metab, 3-18-15 Kuramoto-cho, Tokushima 7708503, Japan
[2] Anan Med Ctr, Dept Internal Med, 6-1 Kawahara Takarada cho, Anan Tokushima 7740045, Japan
[3] Tokushima Univ, Dept Community Med & Med Sci, Grad Sch Biomed Sci, 3-18-15 Kuramoto cho, Tokushima 7708503, Japan
[4] Tokushima Univ, Inst Adv Med Sci, Diabet Therapeut & Res Ctr, 3-18-15 Kuramoto cho, Tokushima 7708503, Japan
[5] Tokushima Univ Grad Sch Biomed Sci, Dept Bioregulatory Sci, Tokushima Japan, 3-18-15 Kuramoto cho, Tokushima 7708503, Japan