1. South Coast Ultrasound for Women Wollongong NSW Australia
2. Discipline of Obstetrics, Gynaecology and Neonatology, Central Clinical School, Faculty of MedicineUniversity of Sydney Sydney NSW Australia
3. RPA Women and BabiesRoyal Prince Alfred Hospital Camperdown NSW Australia
4. School of Health, Medical and Applied ScienceCentral Queensland University Sydney NSW Australia
5. Prenatal Testing DHM PathologySonic Healthcare Macquarie Park NSW Australia