Breast cancer risk markedly lower with serum 25-hydroxyvitamin D concentrations ≥60 vs <20 ng/ml (150 vs 50 nmol/L): Pooled analysis of two randomized trials and a prospective cohort

• Sharon L. McDonnell ,

  Roles Data curation, Formal analysis, Methodology, Validation, Writing – original draft, Writing – review & editing

  * E-mail: sharon@grassrootshealth.org

  Affiliation GrassrootsHealth, Encinitas, California, United States of America

  http://orcid.org/0000-0002-3371-8081

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• Carole A. Baggerly,

  Roles Conceptualization, Funding acquisition, Methodology, Project administration, Supervision, Writing – review & editing

  Affiliation GrassrootsHealth, Encinitas, California, United States of America

  ⨯
• Christine B. French,

  Roles Data curation, Methodology, Validation, Writing – review & editing

  Affiliation GrassrootsHealth, Encinitas, California, United States of America

  ⨯
• Leo L. Baggerly,

  Roles Methodology, Writing – review & editing

  Affiliation GrassrootsHealth, Encinitas, California, United States of America

  ⨯
• Cedric F. Garland,

  Roles Conceptualization, Methodology, Writing – review & editing

  Affiliation Department of Family Medicine and Public Health, University of California San Diego, La Jolla, California, United States of America

  ⨯
• Edward D. Gorham,

  Roles Methodology, Writing – review & editing

  Affiliation Department of Family Medicine and Public Health, University of California San Diego, La Jolla, California, United States of America

  ⨯
• Bruce W. Hollis,

  Roles Writing – review & editing

  Affiliation Medical University of South Carolina, Charleston, South Carolina, United States of America

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• Donald L. Trump,

  Roles Writing – review & editing

  Affiliation Inova Schar Cancer Institute, Falls Church, Virginia, United States of America

  ⨯
• Joan M. Lappe

  Roles Conceptualization, Data curation, Funding acquisition, Investigation, Methodology, Project administration, Supervision, Writing – review & editing

  Affiliation Department of Medicine, Creighton University, Omaha, Nebraska, United States of America

  http://orcid.org/0000-0001-8274-2515

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