1 UCL EGA Institute for Women's Health, University College London.
2 School of Primary Care, Population Sciences and Medical Education, University of Southampton, Southampton General Hospital; NIHR Southampton Biomedical Research Centre (NIHR SBRC), University of Southampton and University Hospital Southampton NHS Foundation Trust.
3 Nuffield Department of Primary Care Health Sciences, University of Oxford.
4 School of Life Course Sciences (SoLCS), King's College London; head, Department of Women and Children's Health, King's College London, St Thomas' Hospital.
5 MRC Lifecourse Epidemiology Unit, University of Southampton, Southampton General Hospital; NIHR SBRC, University of Southampton and University Hospital Southampton NHS Foundation Trust.
6 School of Primary Care, Population Sciences and Medical Education, University of Southampton, Southampton General Hospital; NIHR SBRC, University of Southampton and University Hospital Southampton NHS Foundation Trust; NIHR Applied Research Collaboration (ARC) Wessex.
7 MRC Lifecourse Epidemiology Unit, NIHR SBRC, University of Southampton and University Hospital Southampton NHS Foundation Trust.
8 Institute of Developmental Sciences, University of Southampton; NIHR SBRC, University of Southampton and University Hospital Southampton NHS Foundation Trust.