1. Department of Epidemiology, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina, USA;
2. Department of Epidemiology and Public Health, Division of Environmental Health Sciences, School of Medicine, Yale University, New Haven, Connecticut, USA;
3. Department of Environmental Health Sciences, Mailman School of Public Health, Columbia University, New York, New York, USA;
4. Department of Epidemiology and Biostatistics, Arnold School of Public Health, University of South Carolina, Columbia, South Carolina, USA;
5. Division of Cancer Epidemiology and Genetics, National Cancer Institute, Bethesda, Maryland, USA;
6. Department of Cancer Prevention and Control, Roswell Park Cancer Institute, Buffalo, New York, USA;
7. Epidemiologic Resources, Safety Evaluation, and Epidemiology, Pfizer, Inc., New York, New York, USA;
8. Department of Community and Preventive Medicine, Mount Sinai School of Medicine, New York, New York, USA;
9. Department of Epidemiology, Mailman School of Public Health and
10. Department of Medicine, College of Physicians and Surgeons, Columbia University, New York, New York, USA