1. Department of Obstetrics and Gynaecology Mater Mother's Hospital Brisbane Queensland Australia
2. Faculty of Medicine The University of Queensland Brisbane Queensland Australia
3. Mater Research Institute, University of Queensland Brisbane Queensland Australia
4. Centre for Maternal and Fetal Medicine Mater Mother's Hospital Brisbane Queensland Australia
5. NHMRC Centre for Research Excellence in Stillbirth Mater Research Institute, University of Queensland Brisbane Queensland Australia