1. Epidemiology and Microbial Genomics, Laboratoire National de Santé, Dudelange, Luxembourg
2. Unit of Cancer Epidemiology, Belgian Cancer Centre Scientific Institute of Public Health, Brussels, Belgium
3. Infections and Cancer Biology Group, International Agency for Research on Cancer, Lyon, France
4. Gynaecological Cytology, Laboratoire National de Santé, Dudelange, Luxembourg
5. Department of Obstetrics and Gynecology, Ghent University Hospital, Ghent, Belgium