[1] Washington Univ, Dept Obstet Gynecol, Div Pediat & Adolescent Gynecol, Sch Med, St Louis, MO 63130 USA
[2] Univ Montreal, Gynecol & Reprod Sci, CHU Ste Justine, Montreal, PQ, Canada
[3] Univ Pittsburgh, UPMC Childrens Hosp Pittsburgh, Sch Med, Div Pediat & Adolescent Gynecol,Dept Obstet Gyneco, Pittsburgh, PA USA
[4] Univ Melbourne, Royal Womens Hosp, Dept Obstet & Gynaecol, Parkville, Vic, Australia
[5] Ohio State Univ, Dept Internal Med, Div Med Oncol, Comprehens Canc Ctr, Columbus, OH USA
[6] Connecticut Childrens Med Ctr, Ctr Canc & Blood Disorders, Hartford, CT USA
[7] Indiana Univ Hlth, Dept Pediat, Div Pediat Hematol Oncol, Riley Hosp Children, Indianapolis, IN USA
[8] Childrens Hosp Wisconsin, MACC Fund Ctr Canc & Blood Disorders, Milwaukee, WI USA
[9] Univ Colorado, Childrens Hosp Colorado, Dept Obstet Gynecol, Div Pediat & Adolescent Gynecol, Denver, CO USA