1. Department of Gynecology & Obstetrics; Hvidovre University Hospital; Copenhagen Denmark
2. Department of Pathology; Hvidovre University Hospital; Copenhagen Denmark
3. Department of Pathology; Odense University Hospital; Odense Denmark
4. GlaxoSmithKline Biologicals; Rixensart Belgium
5. Center for Pharmacoepidemiology; Unit of Clinical Epidemiology; Department of Medicine; Karolinska Institutet; Stockholm Sweden
6. 4Clinics; Paris France
7. DDL Diagnostic Laboratory; Rijswijk the Netherlands