1. Department of Midwifery Faculty of Nursing University of Iceland Reykjavík Iceland
2. Department of Obstetrics and Gynecology Women’s ClinicLandspítali University Hospital Reykjavík Iceland
3. Research Center for Midwifery Science Academie Verloskunde Maastricht Zuyd the Netherlands
4. CAPHRI School for Public Health and Primary CareMaastricht University Maastricht the Netherlands
5. Information Services Department Finnish Institute for Health and Welfare Helsinki Finland
6. Division of Family Medicine and Primary Care Department of Neurobiology, Care Sciences and Society Karolinska Institute Stockholm Sweden
7. Research Center for Child Psychiatry University of Turku Turku Finland
8. Center of Public Health Sciences Faculty of Medicine University of Iceland Reykjavík Iceland