[1] Univ Calif Irvine, Dept Obstet & Gynecol, 333 City Blvd West,Suite 1400, Orange, CA 92868 USA
[2] Univ Calif Irvine, Div Gynecol Oncol, 333 City Blvd West,Suite 1400, Orange, CA 92868 USA
[3] Univ Calif Irvine, Dept Obstet Gynecol, City Tower,333 City Blvd,West Suite 1400, Orange, CA 92868 USA