1. School of Clinical Medicine, Division of Obstetrics and Gynaecology, Health and Medicine, UNSW, Sydney, New South Wales, Australia
2. Jean Hailes for Women’s Health, Melbourne, Victoria, Australia
3. School of Public Health, University of Queensland, Herston, Queensland, Australia
4. Institute of Molecular Bioscience, University of Queensland, St Lucia, Queensland, Australia
5. Department of Obstetrics and Gynaecology, Royal Women’s Hospital, University of Melbourne, Parkville, Victoria, Australia
6. Gynaecological Research and Clinical Evaluation (GRACE) Unit, Royal Hospital for Women, Randwick New South Wales, Australia