| Affiliation: | 1. Nuffield Department of Obstetrics and Gynaecology, University of Oxford, The Women's Centre, John Radcliffe Hospital, Oxford, UK;2. School of Clinical Medicine, Faculty of Health Sciences, University of the Witwatersrand, Johannesburg, South Africa;3. Department of Obstetrics & Gynaecology, The Women's Centre, John Radcliffe Hospital, Oxford University Hospitals NHS Trust, Oxford, UK;4. Fetal and Maternal Medicine, The Women's Centre, John Radcliffe Hospital, Oxford University Hospitals NHS Trust, Oxford, UK |
