[1] Western Sydney Univ, Blacktown Hosp, Sch Med, Sydney, NSW, Australia
[2] Western Sydney Univ, Sch Med, Sydney, NSW, Australia
[3] Univ Gothenburg, Sahlgrenska Hosp, Res Ctr, Gynaecol Oncol, Gothenburg, Sweden
[4] Western Sydney Univ, Sch Med, Obstet & Gynaecol, Sydney, NSW, Australia
[5] Western Sydney Univ, Sch Med, Blacktown Clin, Sydney, NSW, Australia