1. Research Unit of General Practice Department of Public Health Faculty of Health Sciences University of Southern Denmark Odense C Denmark
2. Department of Gynecology and Obstetrics University Hospital of Zealand Roskilde Denmark
3. School of Public Health University of the Witwatersrand Johannesburg South Africa
4. The Institute at Brown for Environment & Society (IBES) Brown University Providence Rhode Island
5. Department of Obstetrics and Gynaecology Karolinska University Hospital Stockholm Sweden
6. Research Unit of Gynaecology and Obstetrics (RUGO) Department of Clinical Research Faculty of Health Sciences University of Southern Denmark Odense CDenmark
7. Department of Gynaecology and Obstetrics University Hospital Odense Odense C Denmark