1. Maternity and Gynaecology, John Hunter Hospital, New Lambton Heights, NSW, Australia
2. Maternal Fetal Medicine Unit, John Hunter Hospital, New Lambton Heights, NSW, Australia
3. Department of Paediatric Surgery, John Hunter Children’s Hospital, New Lambton Heights, NSW, Australia
4. Neonatal Intensive Care Unit, John Hunter Children’s Hospital, New Lambton Heights, NSW, Australia