About the Authors

Gary L. Gadbury

Affiliations Department of Statistics, Kansas State University, Manhattan, Kansas, United States of America, Department of Mathematics and Statistics, Missouri University of Science and Technology, Rolla, Missouri, United States of America, Department of Biostatistics, School of Public Health, University of Alabama at Birmingham, Birmingham, Alabama, United States of America

Qinfang Xiang

Affiliation Endo Pharmaceuticals, Chadds Ford, Pennsylvania, United States of America

Lin Yang

Affiliation Department of Mathematics and Statistics, Missouri University of Science and Technology, Rolla, Missouri, United States of America

Stephen Barnes

Affiliations Department of Pharmacology and Toxicology, University of Alabama at Birmingham, Birmingham, Alabama, United States of America, Center for Nutrient–Gene Interaction, University of Alabama at Birmingham, Birmingham, Alabama, United States of America

Grier P. Page

Affiliation Department of Biostatistics, School of Public Health, University of Alabama at Birmingham, Birmingham, Alabama, United States of America

David B. Allison

dallison@ms.soph.uab.edu

Affiliations Department of Biostatistics, School of Public Health, University of Alabama at Birmingham, Birmingham, Alabama, United States of America, Clinical Nutrition Research Center, University of Alabama at Birmingham, Birmingham, Alabama, United States of America

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: GG DA. Performed the experiments: QX. Analyzed the data: LY. Wrote the paper: GG SB GP DA.