1. National Centre for Diseases Prevention and Health Promotion (CNAPPS); Italian National Institute of Health (ISS); Rome Italy
2. Veneto Tumor Registry; Veneto Region Padua
3. Cancer Epidemiology Unit, CRO Aviano National Cancer Institute IRCCS; Aviano Italy
4. Unit of Cancer Epidemiology, University of Turin and Città della Salute e della Scienza Hospital; Turin Italy
5. AIRTUM Database; Florence
6. Tuscany Cancer Registry; Clinical and Descriptive Epidemiology Unit, Cancer Prevention and Research Institute (ISPO); Florence
7. Institute for Research on Population and Social Policies, National Research Council; Rome Italy