1. Department of Obstetrics and Gynaecology, St George Hospital, Gray St George Hospital , Kogarah, Sydney, NSW , Australia
2. Faculty of Women’s Health, St George and Sutherland Clinical School (University of New South Wales), St George Hospital, Gray St, Kogarah , Sydney, NSW , Australia
3. Department of Surgery, St George Hospital , Gray St, Kogarah, Sydney, NSW , Australia
4. Faculty of Medicine & Health, St George and Sutherland Clinical School (University of New South Wales), St George Hospital, Gray St, Kogarah , Sydney, NSW , Australia
5. Faculty of Medicine and Health, Macquarie University , Technology Pl, Macquarie Park, Sydney, NSW , Australia
6. Department of Surgery, Shoalhaven District Memorial Hospital , Scenic Dr, Nowra, NSW , Australia
7. Department of Surgery, Goulburn Base Hospital , 130 Goldsmith St, Goulburn, NSW , Australia