1. Department of Epidemiology; University of Washington School of Public Health; Seattle WA
2. Public Health Sciences Division; Fred Hutchinson Cancer Research Center; Seattle WA
3. Channing Laboratory; Department of Medicine; Brigham and Women's Hospital and Harvard Medical School; Boston MA
4. Program in Molecular and Genetic Epidemiology; Harvard School of Public Health; Boston MA
5. Department of Epidemiology; Harvard School of Public Health; Boston MA
6. Department of Nutrition; Harvard School of Public Health; Boston MA
7. Division of Biostatistics and Epidemiology; University of Massachusetts School of Public Health and Health Sciences; Amherst MA