The Role of Hormones in the Differences in the Incidence of Breast Cancer between Mongolia and the United Kingdom

• Rebecca Troisi ,

  * E-mail: troisir@mail.nih.gov

  Affiliation Epidemiology and Biostatistics Program, Division of Cancer Epidemiology and Genetics, National Cancer Institute, National Institutes of Health, Department of Health and Human Services, Rockville, Maryland, 20850, United States of America

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• Daavasambuu Ganmaa,

  Affiliations Departments of Nutrition and Epidemiology, Harvard School of Public Health, Boston, Massachusetts, 02115, United States of America, Health Sciences University of Mongolia, Ulaanbaatar, Mongolia

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• Isabel dos Santos Silva,

  Affiliation Department of Non-communicable Disease Epidemiology, London School of Hygiene and Tropical Medicine, London, WC1E 7HT, England, United Kingdom

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• Dambadarjaa Davaalkham,

  Affiliation Health Sciences University of Mongolia, Ulaanbaatar, Mongolia

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• Philip S. Rosenberg,

  Affiliation Epidemiology and Biostatistics Program, Division of Cancer Epidemiology and Genetics, National Cancer Institute, National Institutes of Health, Department of Health and Human Services, Rockville, Maryland, 20850, United States of America

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• Janet Rich-Edwards,

  Affiliation Channing Laboratory, Department of Medicine, and Connors Center for Women's Health and Gender Biology, Brigham and Women's Hospital, Harvard Medical School, Boston, Massachusetts, 02115, United States of America

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• Lindsay Frasier,

  Affiliation Department of Pediatric Oncology, Dana Farber Cancer Institute, Boston, Massachusetts, 02115, United States of America

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• Lauren Houghton,

  Affiliation Epidemiology and Biostatistics Program, Division of Cancer Epidemiology and Genetics, National Cancer Institute, National Institutes of Health, Department of Health and Human Services, Rockville, Maryland, 20850, United States of America

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• Craig Janes,

  Affiliation Faculty of Health Sciences, Simon Fraser University, Burnaby, BC V5A 1S6, Canada

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• Frank Stanczyk,

  Affiliation Departments of Obstetrics and Gynecology, and Preventive Medicine, University of Southern California Los Angeles, Keck School of Medicine, Los Angeles, California, 90033, United States of America

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• Robert N. Hoover

  Affiliation Epidemiology and Biostatistics Program, Division of Cancer Epidemiology and Genetics, National Cancer Institute, National Institutes of Health, Department of Health and Human Services, Rockville, Maryland, 20850, United States of America

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