1. Unit of Epidemiology, Biostatistics and Clinical Trials, IRCCS AOU San Martino-IST; Genoa; Italy
2. Epidemiology Unit, Fondazione IRCCS Istituto dei Tumori; Milan; Italy
3. Unit of Occupational and Environmental Epidemiology, ISPO Florence; Italy
4. Biostatistics and Clinical Trials Unit-IRCCS IRST; Meldola (FC); Italy
5. Epidemiology Unit, Regina Elena National Cancer Institute; Rome; Italy
6. Healthcare Development and Evaluation Unit, Agency for Health and Social Care; Bologna; Italy
7. Cancer Registry and Histopathology Unit, “Civile - M.P.Arezzo” Hospital; ASP Ragusa; Italy
8. Pathology Unit, Azienda Ospedaliera Universitaria Senese; Siena; Italy
9. Cancer Epidemiology Unit, Imperial College London; London; United Kingdom