1. MRC Integrative Epidemiology Unit, School of Social and Community Medicine, University of Bristol, Bristol, UK
2. Program in Epidemiology, Division of Public Health Sciences, Fred Hutchinson Cancer Research Center, Seattle, WA, USA
3. Program in Biostatistics, Division of Public Health Sciences, Fred Hutchinson Cancer Research Center, Seattle, WA, USA
4. Cancer Prevention Program, Division of Public Health Sciences, Fred Hutchinson Cancer Research Center, Seattle, WA, USA
5. Genomics Resource, Fred Hutchinson Cancer Research Center, Seattle, WA, USA
6. Department of Community Health, Brown University, Providence, RI, USA
7. College of Public Health and Human Sciences, Oregon State University, Corvallis, OR, USA