1. Epidemiology Unit Azienda Unità Sanitaria Locale—IRCCS di Reggio Emilia Reggio Emilia Italy
2. Centre for Cancer Epidemiology and Prevention (CPO) Turin Italy
3. Institute for Cancer Research, Prevention and Clinical Network (ISPRO) Florence Italy
4. Centre for Cervical Cancer Screening City of Health and Science Hospital Turin Italy
5. Unit of Cancer Epidemiology and Centre for Cancer Prevention (CPO) City of Health and Science Hospital Turin Italy
6. Laboratorio Unico di Screening, USL Umbria 1 Perugia Italy
7. Istituto Oncologico Veneto IOV—IRCCS Padua Italy
8. ISPRO Oncological Network Prevention and Research Institute, Screening Unit Florence Italy
9. ULSS6 Euganea Padua Italy
10. Assessorato alla Salute Rome Italy
11. IRCCS—Regina Elena National Cancer Institute Rome Italy