1. Speciallægeselskabet Alexander Laschke ApS, Aabenraa, Denmark
2. Department of Clinical Research, University of Southern Denmark, Odense C, Denmark
3. Department of Obstetrics and Gynaecology, Odense University Hospital, Odense C, Denmark
4. Gynækologisk Klinik Holbæk, Holbæk, Denmark
5. Department of Public Health Programmes, Randers Regional Hospital, University Research Clinic for Cancer Screening, Randers, Denmark