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