1. From the Nuffield Department of Primary Care Health Sciences (K.L.T., C.B., R.S., C.H., C.C., K.S.T., R.J.M.)
2. Institute of Applied Health Research, University of Birmingham, United Kingdom (J.H.)
3. Bodleian Health Care Libraries (N.R.), University of Oxford, United Kingdom
4. Obstetric, Medicine Division, Department of Obstetrics and Gynecology, CHU Ste-Justine, Montreal, Quebec, Canada (É.R.)
5. Omnicare Women’s Health Centre, Auckland, New Zealand (C.L.)
6. Guy’s and St Thomas’ NHS Foundation Trust, Department of Women’s Health, St Thomas’ Hospital, London, United Kingdom (M.C.)
7. Department of Obstetrics and Gynaecology, Faculty of Medical and Health Sciences, The University of Auckland, New Zealand (R.S.T., J.W.)
8. Auckland City Hospital, New Zealand (R.A.N.)
9. Fetal Medicine Unit, St George’s University Hospitals NHS Foundation Trust, London, United Kingdom (A.K.)
10. Molecular and Clinical Sciences Research Institute, St George’s University of London, United Kingdom (A.K.)
11. Vascular Biology Research Centre, Molecular and Clinical Sciences Research Institute, St George’s University of London, United Kingdom (A.K.)
12. Department of Obstetrics and Gynecology, The George Washington University School of Medicine and Health Sciences, DC (K.M.)
13. Royal Victoria Infirmary, Newcastle upon Tyne, United Kingdom (J.W.)
14. Department of Obstetrics and Gynecology, Faculty of Medical and Health Sciences, University of Auckland, New Zealand (J.W.)
15. Department of Renal Medicine; St. George Hospital and University of NSW, Sydney, Australia (M.B.)
16. Oxford University Hospitals NHS Foundation Trust, Women’s Centre, John Radcliffe Hospital, Oxford, United Kingdom (L.M.).