1. Acute Gynaecology, Early Pregnancy and Advanced Endosurgery Unit, Nepean Medical School, Nepean Hospital; University of Sydney; Penrith; NSW; Australia
2. Department of Computer Sciences; University of Wales; Aberystwyth; UK
3. St George Private Hospital; Kogarah; NSW; Australia
4. Royal Prince Alfred Hospital, Department of Obstetrics and Gynaecology; University of Sydney; Camperdown; NSW; Australia