1. Neonatal Intensive Care Unit, Westmead Hospital, Westmead, New South Wales, Australia
2. Department of Obstetrics, Gynaecology and Neonatology, University of Sydney, Sydney, New South Wales, Australia
3. Grace Centre for Newborn Care, Children’s Hospital at Westmead, Westmead, New South Wales, Australia
4. Department of Paediatrics & Child Health, Cerebral Palsy Alliance Research Institute, University of Sydney, Sydney, New South Wales, Australia