1. Department of Obstetric Medicine, Women’s and Newborn Services, Royal Brisbane & Women’s Hospital, Herston, Queensland, Australia
2. Department of Thoracic Medicine, Internal Medicine and Aged Care, Royal Brisbane & Women’s Hospital, Herston, Queensland, Australia
3. Department of Interventional Radiology, Royal Brisbane & Women’s Hospital, Herston, Queensland, Australia
4. Queensland X-Ray Pty Ltd, Brisbane, Queensland, Australia
5. The Faculty of Health Sciences and Medicine, Bond University, Gold Coast, Queensland, Australia
6. Department of Obstetrics, Women’s and Newborn Services, Royal Brisbane & Women’s Hospital, Herston, Queensland, Australia