1. Dana-Farber Cancer Institute, Division of Cancer Epidemiology and Control, 44 Binney Street, Boston, MA 02115; phone: (617) 632-2180; fax: (617) 632-4858;
2. The Harvard School of Public Health; Center for Community-Based Research at the Dana-Farber Cancer Institute
3. University of Massachusetts, School of Public Health and Health Science; The Harvard School of Public Health; Center for Research and Education in Women's Health
4. The Harvard School of Public Health; The Harvard Medical School
5. Departments of nutrition, and maternal and child health at The Harvard School of Public Health