1. Department of Obstetrics and Gynecology Turku University Central Hospital and University of Turku Turku Finland
2. Department of Obstetrics and Gynecology University of Helsinki and Helsinki University Hospital Helsinki Finland
3. Medical and Clinical Genetics University of Helsinki and Helsinki University Hospital Helsinki Finland
4. Department of Food and Nutrition University of Helsinki Helsinki Finland
5. Institute for Molecular Medicine Finland (FIMM), Helsinki Institute of Life Science University of Helsinki Helsinki Finland
6. Department of Obstetrics and Gynecology Tampere University Hospital Tampere Finland
7. Center for Child, Adolescent, and Maternal Health Research, Faculty of Medicine and Health Technology Tampere University Tampere Finland