[1] Westmead Hosp, Obstet & Gynaecol Dept, Sydney, NSW, Australia
[2] Sydney West Adv Pelv Surg Unit, Sydney, NSW, Australia
[3] Chris O Brien Lifehouse, Sydney, NSW, Australia
[4] Prince Wales Hosp, Gynaecol Oncol Dept, Sydney, NSW, Australia
[5] Univ Sydney, Sydney, NSW, Australia
[6] Westmead Hosp, Gynaecol Oncol Dept, Sydney, NSW, Australia
[7] Westmead Hosp, Dept Womens & Newborn Hlth, Cnr Hawkesbury Rd & Darcy Rd, Sydney, NSW 2145, Australia