1. Health Promotion, Steno Diabetes Center Copenhagen, Gentofte, Denmark
2. MRC Developmental Pathways for Health Research Unit, Department of Paediatrics, School of Clinical Medicine, Faculty of Health Sciences, University of the Witwatersrand, Johannesburg, South Africa
3. Department of Public Health, Aarhus University, Aarhus, Denmark
4. Institute of Developmental Sciences and NIHR Southampton Biomedical Research Centre, University of Southampton and University Hospital Southampton, Southampton, UK
5. MRC Lifecourse Epidemiology Unit, Faculty of Medicine, University of Southampton, Southampton, UK