About the Authors

Sharon L. McDonnell

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

sharon@grassrootshealth.org

Affiliation GrassrootsHealth, Encinitas, California, United States of America

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

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

Competing Interests

Bio-Tech Pharmacal was a commercial source of funding. It did not have any relationship with GrassrootsHealth, UC San Diego, MUSC, Inova Schar, or Creighton University with regard to employment, patents, projects in development, 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 our adherence to PLOS ONE policies on sharing data and materials.