1. Preventive Gynecology Unit, European Institute of Oncology IRCCS, 20141 Milan, Italy
2. Department of Biomedical Sciences, University of Sassari, 07100 Sassari, Italy
3. Department of Clinical Sciences and Community Health, University of Milan, 20122 Milan, Italy
4. Department of Medical Epidemiology and Biostatistics, Karolinska Institutet, 17177 Stockholm, Sweden
5. Department of Statistics and Quantitative Methods, University of Milan-Bicocca, 20126 Milan, Italy
6. Dermato-Oncology Unit, European Institute of Oncology IRCCS, 20141 Milan, Italy
7. Department of Gynecology, European Institute of Oncology IRCCS, 20141 Milan, Italy
8. Division of Laboratory Medicine, European Institute of Oncology IRCCS, 20141 Milan, Italy
9. Division of Diagnostic Cytology, European Institute of Oncology IRCCS, 20141 Milan, Italy
10. Division of Pathology, European Institute of Oncology IRCCS, 20141 Milan, Italy