作者单位:Sheba Med Ctr, Dept Dermatol, Haifa, Israel[1]Bnai Zion Med Ctr, Dept Pathol, Haifa, Israel[2]Technion Israel Inst Technol, Dept Obstet & Gynecol, Bnai Zion Med Ctr, IVF Unit, Haifa, Israel[3]Carmel Hosp, Dept Obstet & Gynecol, 7 Michal St, Haifa, Israel[4]