1. Virus, Lifestyle and Genes, Danish Cancer Society Research Center, Denmark
2. Department of Research, Cancer Registry of Norway, Norway
3. Department of Laboratory Medicine, Division of Pathology, Sweden
4. Department of Infection Control and Vaccine, Norwegian Institute of Public Health, Norway
5. Statistics and Data Analysis, Danish Cancer Society Research Center, Denmark
6. Department of Gynecology, Rigshospitalet, University of Copenhagen, Denmark