1. Integrated Cancer Registry of Catania-Messina-Siracusa-Enna, Catania, Italy
2. Department of Medical, Surgical Sciences, and Advanced Technologies “G.F. Ingrassia,” Section of Hygiene and Preventive Medicine, University of Catania, Catania, Italy
3. Department of Environmental Health, Environmental & Occupational Medicine & Epidemiology, Harvard TH Chan School of Public Health, Boston, Massachusetts, USA
4. St. Elizabeth's Medical Center, Tufts University School of Medicine, Boston, Massachusetts, USA
5. Department of Epidemiology and Population Studies, Jagiellonian University Medical College, Krakow, Poland
6. Department of Food Science, “Federico II” University Medical School, Naples, Italy
7. Department of Biomedical and Biotechnological Sciences, Section of Pharmacology and Biochemistry, University of Catania, Catania, Italy
8. The Cambridge Health Alliance, Harvard Medical School, Cambridge, Massachusetts, USA