1. Ultrasound Department; Pauline Gandel Women's Imaging Centre; The Royal Women's Hospital; Parkville Vic. Australia
2. Department of Gynaecology; The Royal Women's Hospital; Parkville Vic. Australia
3. Department of Obstetrics and Gynaecology; The Royal Women's Hospital; The University of Melbourne; Parkville Vic. Australia
4. Pregnancy Research Centre; Department of Maternal Fetal Medicine; The Royal Women's Hospital; Parkville Vic. Australia