1. Romagna Cancer RegistryRomagna Cancer Institute (Istituto Scientifico Romagnolo per lo Studio e la Cura dei Tumori, IRST, IRCCS) Meldola Forlì Italy
2. Cancer Prevention UnitLocal Health Authority Forlì Italy
3. Epidemiology UnitLocal Health Authority and Arcispedale Santa Maria Nuova, IRCCS Reggio Emilia Italy
4. Cancer Screening Unit, Local Health Authority and Arcispedale Santa Maria NuovaIRCCS Reggio Emilia Italy
5. Cancer Screening UnitLocal Health Authority Rimini Italy
6. Department of Health, Regional AdministrationEmilia‐Romagna Region Bologna Italy
7. Department of Statistics, Computer Science, and Applications “G. Parenti”University of Florence Florence Italy