1. Epidemiology Research Program (M.M.G.), American Cancer Society, Atlanta, Georgia 30316
2. Division of Cancer Epidemiology and Genetics (R.T.F., R.M.P., L.A.B., M.G.-C., M.E.S.), Bethesda, Maryland 20892
3. Sarah W. Stedman Nutrition and Metabolism Center (R.D.S., J.R.B., C.B.N.)
4. Department of Epidemiology and Biostatistics (M.J.G.), School of Public Health, Imperial College, London, SW7 2AZ, United Kingdom
5. Division of Endocrinology, Metabolism, and Nutrition (J.R.B.), Durham, North Carolina 27708
6. National Cancer Institute (N.P.), National Cancer Institute, National Institutes of Health, Department of Health and Human Services, Bethesda, Maryland 20892
7. Department of Cancer Epidemiology and Prevention (J.L.), Cancer Center and M. Sklodowska-Curie Institute of Oncology, 02-781 Warsaw, Poland
8. Department of Environmental Epidemiology (B.P.), Nofer Institute of Occupational Medicine, 91-348 Lodz, Poland
9. Department of Medicine, and Departments of Pharmacology and Cancer Biology and Medicine, (C.B.N.), Duke University Medical Center, Durham, North Carolina 27708