1. Department of Environmental Health Sciences, IRCCS-Istituto di Ricerche Farmacologiche “Mario Negri,” Milan - Italy
2. Department of Therapeutic Research and Medicines Evaluation, Istituto Superiore di Sanità, Rome - Italy
3. Unit of Environmental and Occupational Epidemiology, Cancer Prevention and Research Institute (ISPO), Florence - Italy
4. Istituto DOXA, Worldwide Independent Network/Gallup International Association (WIN/GIA), Milan - Italy
5. Department of Clinical Sciences and Community Health, Università degli Studi di Milano, Milan - Italy