1. School of Public Health; University of Sydney; New South Wales Australia
2. Discipline of Paediatrics and Child Health; University of Sydney; Australia
3. Screening and Test Evaluation Program; School of Public Health; University of Sydney; New South Wales Australia
4. Western Australian Register of Developmental Anomalies; King Edward Memorial Hospital; Subiaco Western Australia Australia
5. Telethon Institute for Child Health Research; University of Western Australia; Western Australia Australia
6. Population Perinatal Health Research; Kolling Institute for Medical Research; University of Sydney; Sydney New South Wales Australia
7. Centre for Population Health Research; Curtin University; Perth Western Australia Australia