Published on in Vol 6, No 3 (2018): March
1 Oxford University Hospitals NHS Foundation Trust, Headington, United Kingdom
2 Nuffield Department of Women's and Reproductive Health, University of Oxford, Oxford, United Kingdom
3 Centre for Statistics in Medicine, University of Oxford, Oxford, United Kingdom
4 Nuffield Department of Primary Care Health Sciences, University of Oxford, Oxford, United Kingdom
5 Institute of Biomedical Engineering, University of Oxford, Oxford, United Kingdom
6 Oxford Centre for Diabetes, Endocrinology and Metabolism, Oxford University Hospitals NHS Foundation Trust, Oxford, United Kingdom
7 National Perinatal Epidemiology Unit, University Of Oxford, Oxford, United Kingdom
8 Department of Obstetrics and Gynaecology, Sun Yat-Sen University, Guangzhou, China