1. Ultrasound DepartmentTownsville University Hospital Douglas Townsville Australia
2. College of Public Health, Medical and Veterinary SciencesJames Cook University Townsville Australia
3. College of Medicine and DentistryJames Cook University Townsville Australia
4. Department of NeonatologyTownsville University Hospital Townsville Australia
5. Mothers and Babies Research CentreHunter Medical Research Institute John Hunter Hospital, The University of Newcastle Newcastle Australia
6. Department of Medical Imaging & Radiation SciencesMonash University Melbourne Australia
7. Maternal Fetal Medicine Unit and Department of Obstetrics and GynaecologyTownsville University Hospital Townsville Australia