1. Occupational and Environmental Epidemiology Branch, Division of Cancer Epidemiology and Genetics; National Cancer Institute, National Institutes of Health, Department of Health and Human Services; Bethesda MD
2. Nutritional Epidemiology Branch, Division of Cancer Epidemiology and Genetics; National Cancer Institute, National Institutes of Health, Department of Health and Human Services; Bethesda MD
3. Division of Epidemiology, Department of Medicine; Vanderbilt University; Nashville TN
4. Vanderbilt Epidemiology Center and Vanderbilt-Ingram Cancer Center; Department of Medicine, Vanderbilt University; Nashville TN
5. Department of Health Studies; University of Chicago; Chicago IL
6. Department of Epidemiology; Shanghai Cancer Institute; Shanghai People's Republic of China
7. Department of Epidemiology, Division of OVP, Cancer Prevention and Population Sciences; The University of Texas MD Anderson Cancer Center; Houston TX