| Affiliation: | 1. Section for General Medical Practice, Department of Public Health, Aarhus University, Aarhus, Denmark;2. Institute of Preventive Medicine, Bispebjerg and Frederiksberg Hospital, The Capital Region, Copenhagen, Denmark;3. Novo Nordisk Foundation Center for Basic Metabolic Research, Faculty of Health and Medical Sciences, University of Copenhagen, Copenhagen, Denmark;4. Section for Biostatistics, Department of Public Health, University of Copenhagen, Copenhagen, Denmark;5. National Centre for Register‐Based Research, Faculty of Social Sciences, Aarhus University, Aarhus, Denmark;6. Department of Obstetrics and Gynaecology, University of Cambridge, Cambridge, United Kingdom;7. Department of Epidemiology and Biostatistics, Imperial College, London, United Kingdom;8. Institute of Health Sciences, University of Oulu, Oulu, Finland;9. Biocenter Oulu, University of Oulu, Oulu, Finland;10. Finnish Institute of Occupational Health, Helsinki, Finland;11. Unit of Primary Care, University Hospital of Oulu, Oulu, Finland;12. National Institute of Health and Welfare, Oulu, Finland;13. Department of Obstetrics and Gynecology, University of Oulu and Oulu University Hospital, Oulu, Finland |
