1. Department of Pediatrics Tampere University Hospital Tampere Finland
2. School of Medicine Doctoral Program University of Tampere Tampere Finland
3. Department of Obstetrics and Gynecology Tampere University Hospital Tampere Finland
4. Finnish Institute for Health and Welfare Helsinki Finland
5. Karolinska Institutet Stockholm Sweden
6. Research, Development and Innovation Center Tampere University Hospital Tampere Finland
7. Faculty of Social Sciences Health Sciences Tampere University Tampere Finland