http://orcid.org/0000-0001-5859-7231
About the Authors
- Sharon L. McDonnell
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Roles Formal analysis, Software, Visualization, Writing – original draft, Writing – review & editing
Affiliation GrassrootsHealth, Encinitas, California, United States of America
- Keith A. Baggerly
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Roles Formal analysis, Software, Visualization, Writing – review & editing
Affiliation Deptartment of Bioinformatics and Computational Biology, The University of Texas MD Anderson Cancer Center, Houston, Texas, United States of America
- Carole A. Baggerly
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Roles Conceptualization, Funding acquisition, Methodology, Supervision, Writing – review & editing
Affiliation GrassrootsHealth, Encinitas, California, United States of America
- Jennifer L. Aliano
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Roles Project administration
Affiliation GrassrootsHealth, Encinitas, California, United States of America
- Christine B. French
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Roles Writing – review & editing
* E-mail: christine@grassrootshealth.org
Affiliation GrassrootsHealth, Encinitas, California, United States of America
- Leo L. Baggerly
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Roles Formal analysis
Affiliation GrassrootsHealth, Encinitas, California, United States of America
- Myla D. Ebeling
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Roles Data curation
Affiliation Medical University of South Carolina Children’s Hospital, Charleston, South Carolina, United States of America
- Charles S. Rittenberg
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Roles Validation
Affiliation Medical University of South Carolina Children’s Hospital, Charleston, South Carolina, United States of America
- Christopher G. Goodier
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Roles Investigation, Validation
Affiliation Medical University of South Carolina Children’s Hospital, Charleston, South Carolina, United States of America
- Julio F. Mateus Niño
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Roles Investigation, Validation
Affiliation Medical University of South Carolina Children’s Hospital, Charleston, South Carolina, United States of America
- Rebecca J. Wineland
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Roles Investigation, Validation
Affiliation Medical University of South Carolina Children’s Hospital, Charleston, South Carolina, United States of America
- Roger B. Newman
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Roles Conceptualization, Supervision, Validation, Writing – review & editing
Affiliation Medical University of South Carolina Children’s Hospital, Charleston, South Carolina, United States of America
- Bruce W. Hollis
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Roles Conceptualization
Affiliation Medical University of South Carolina Children’s Hospital, Charleston, South Carolina, United States of America
- Carol L. Wagner
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Roles Conceptualization, Funding acquisition, Writing – review & editing
Affiliation Medical University of South Carolina Children’s Hospital, Charleston, South Carolina, United States of America
Competing Interests
Bio-Tech Pharmacal was a commercial source of resources (vitamin D supplements). It did not have any relationship with any of the authors with regard to employment, patents, or products marketed. Representatives of this source did not review the manuscript or play any role in design, analysis, or writing of the manuscript and had no control over any decision to publish it. This does not alter the authors' adherence to PLOS ONE policies on sharing data and materials.