1. Department of Obstetrics and Gynecology; University of Helsinki and Helsinki University Hospital; Helsinki Finland
2. Folkhälsan Research Center; University of Helsinki and Helsinki University Hospital; Helsinki Finland
3. Department of General Practice and Primary Health Care; University of Helsinki and Helsinki University Hospital; Helsinki Finland
4. Primary Health Care Unit; Kuopio University Hospital; Kuopio Finland
5. National Institute for Health and Welfare; Helsinki Finland
6. Department of Neurobiology, Care Sciences and Society; Karolinska Institutet; Huddinge Sweden
7. Vantaa Health Centre; Vantaa Finland
8. Apotti; Helsinki Finland
9. Department of Chronic Disease Prevention; National Institute for Health and Welfare; Helsinki Finland