[1] Univ Sci & Technol China, USTC, Affiliated Hosp 1, Dept Endocrinol & Metab,Div Life Sci & Med, Hefei, Peoples R China
[2] Univ Sci & Technol China, USTC, Dept Obstet & Gynecol, Affiliated Hosp 1, Hefei, Peoples R China
[3] USTC, Affiliated Hosp 1, Dept Endocrinol & Metab, Hefei, Peoples R China
[4] Southeast Univ, Nanjing, Peoples R China