1. Acute Gynaecology, Early Pregnancy and Advanced Endosurgery Unit, Sydney Medical School Nepean; University of Sydney, Nepean Hospital; Kingswood NSW Australia
2. JUNIC Specialist Imaging and Women's Center; Canberra, ACT Australia
3. Department of Obstetrics and Gynaecology; Wollongong Hospital; Wollongong NSW Australia
4. University of Wales; Aberystwyth UK
5. OMNI Gynaecological Care; Centre for Women's Ultrasound and Early Pregnancy; St Leonards, Sydney NSW Australia