[1] Fudan Univ, Sch Life Sci, Shanghai, Peoples R China
[2] Shanghai Jiao Tong Univ, Sch Med, Dept Lab Anim Sci, Shanghai, Peoples R China
[3] Fudan Univ, Zhongshan Hosp, Dept Endocrinol & Metab, Shanghai, Peoples R China
[4] Shanghai Jiao Tong Univ Sch Med, Shanghai Peoples Hosp 9, Dept Assisted Reprod, Shanghai, Peoples R China