1. Department of Chronic Disease Epidemiology, Yale School of Public Health, New Haven, CT, USA
2. Yale Cancer Center, New Haven, CT, USA
3. Cancer Prevention Program/Public Health Sciences Division, Fred Hutchinson Cancer Research Center, Seattle, WA, USA
4. Dana-Farber Cancer Institute, Boston, MA, USA
5. Division of Health Services and Behavioral Research, Pennsylvania State University, Hershey, PA, USA
6. Department of Family and Preventive Medicine, Division of Epidemiology, University of California, La Jolla, CA, USA
7. Division of Public Health Sciences, School of Medicine, Washington University in St. Louis, St. Louis, MO, USA
8. Division of Cancer Control and Population Sciences, National Cancer Institute, Bethesda, MD, USA