1. Department of Gynaecology, Oxford University Hospitals NHS Foundation Trust, John Radcliffe Hospital, Oxford, UK
2. Oxford Endometriosis CaRe Centre, Nuffield Department of Women’s and Reproductive Health, University of Oxford, Oxford, UK
3. Oxford Reproductive Medicine, The Manor Hospital, Oxford, UK
4. Centre for Tropical Medicine and Global Health, Nuffield Department of Medicine, University of Oxford, Oxford, UK
5. Centre for Global Child Health & Child Health Evaluative Sciences, Hospital for Sick Children, Toronto, Canada
6. Department of Obstetrics and Gynaecology, University Hospitals of Derby and Burton NHS Foundation Trust, Derby, UK
7. Department of Obstetrics and Gynaecology, Imperial College Healthcare NHS Trust, St Mary’s Hospital, London, UK