1. School of Medicine, University of Glasgow , Glasgow, UK
2. NIHR Bristol Biomedical Research Centre, University of Bristol, Oakfield House, Oakfield Grove , Bristol, UK
3. TFP, Oxford Fertility, Institute of Reproductive Sciences , Oxford, UK
4. Women’s Health Research Program, School of Public Health and Preventive Medicine, Monash University , Melbourne, VIC, Australia
5. Department of Endocrinology and Diabetes, Alfred Health, Melbourne, VIC, Australia
6. Third Department of Obstetrics and Gynecology, Attikon University Hospital, School of Medicine, National and Kapodistrian University of Athens, Athens , Greece
7. International Federation of Gynecology and Obstetrics (FIGO), FIGO House , London, UK
8. Queen Charlotte's & Chelsea and Westminster Hospitals, Imperial College London , London, UK
9. MRC Centre for Reproductive Heath, University of Edinburgh , Edinburgh, UK