1. Department of Obstetrics and Gynecology Medical Research Center Oulu and PEDEGO Research Unit (Research Unit for Pediatrics Dermatology, Clinical Genetics, Obstetrics and Gynecology University Hospital of OuluUniversity of Oulu Oulu Finland
2. Institute of Reproductive and Developmental Biology Imperial College London London UK
3. Center for Life Course Health Research Faculty of Medicine University of Oulu Oulu Finland
4. Unit of General Practice Oulu University Hospital Oulu Finland
5. Department of Clinical Chemistry NordLab Oulu Oulu University HospitalUniversity of Oulu Oulu Finland
6. Department of Children, Young People and Families National Institute for Health and Welfare Oulu Finland
7. Department of Epidemiology and Biostatistics MRC Health Protection Agency (HPA) Center for Environment and Health School of Public HealthImperial College London London UK
8. Department of Obstetrics and Gynecology University of Helsinki and Helsinki University Hospital Helsinki Finland