1. Department of Preventive Medicine, and
2. The Robert H. Lurie Comprehensive Cancer Center, Feinberg School of Medicine, Northwestern University, Chicago, Illinois, USA
3. Division of Cancer Epidemiology and Genetics, National Cancer Institute, National Institutes of Health (NIH), Department of Health and Human Services (DHHS), Bethesda, Maryland, USA
4. Exposure, Epidemiology and Risk Program, Harvard School of Public Health, Boston, Massachusetts, USA
5. Epidemiology Branch, National Institute of Environmental Health Sciences, NIH, DHHS, Research Triangle Park, North Carolina, USA
6. IMS, Silver Spring, Maryland, USA
7. Department of Oncology, No. 113 Hospital of People’s Liberation Army, Ningbo, China
8. Center of Molecular and Genetic Epidemiology, Department of Environmental and Occupational Health, University of Milan, Milan, Italy
9. Istituto di Ricovero e Cura a Carattere Scientifico Fondazione Ospedale Maggiore Policlinico, Mangiagalli e Regina Elena di Milano, Milan, Italy