1. MRC Lifecourse Epidemiology Centre, University of Southampton , Southampton , UK
2. Paediatric Endocrinology, University Hospital Southampton National Health Service (NHS) Foundation Trust , Southampton , UK
3. Department of Women’s Health, University Hospital Southampton NHS Foundation Trust , Southampton , UK
4. NIHR Southampton Nutrition Biomedical Research Centre, University of Southampton and University Hospital Southampton NHS Foundation Trust , Southampton , UK
5. Academic Unit of Child Health, Sheffield Children’s Hospital, University of Sheffield , Sheffield , UK
6. Nuffield Department of Women’s & Reproductive Health, John Radcliffe Hospital, University of Oxford , Oxford , UK
7. MRC Epidemiology Unit, University of Cambridge, previously at MRC Human Nutrition Research, Elsie Widdowson Laboratory , Cambridge , UK
8. Faculty of Medicine and Health Sciences, Department of Medicine, University of East Anglia , Norwich , UK
9. Department of Obstetrics and Gynaecology, Sheffield Hospitals NHS Trust, University of Sheffield , Sheffield , UK
10. National Institute for Health Research (NIHR) Musculoskeletal Biomedical Research Centre, University of Oxford , Oxford , UK