1. Wolfson Institute of Preventive Medicine, Queen Mary University of London London United Kingdom
2. Regional Cancer Prevention Laboratory, Oncological Network, Prevention and Research Institute (ISPRO) Florence Italy
3. Cancer Epidemiology Unit, Department of Medical SciencesC.E.R.M.S, University of Turin Turin Italy
4. Immunology and Diagnostic Molecular Oncology UnitVeneto Institute of Oncology IOV IRCCS Padua Italy
5. Pathology Unit, S. Chiara Hospital Trento Italy
6. Veneto Tumour Registry, Azienda Zero Padua Italy
7. Epidemiology UnitAzienda USL, IRCCS di Reggio Emilia Reggio Emilia Italy
8. Centre for Cancer PreventionAOU Città della Salute e della Scienza Torino Italy
9. International Agency for Research on Cancer (IARC) Lyon France