About the Authors

Peter T. Katzmarzyk

Peter.Katzmarzyk@pbrc.edu

Affiliation Population Science, Pennington Biomedical Research Center, Baton Rouge, Louisiana, United States of America

Catherine M. Champagne

Affiliation Population Science, Pennington Biomedical Research Center, Baton Rouge, Louisiana, United States of America

Catrine Tudor-Locke

Affiliation Population Science, Pennington Biomedical Research Center, Baton Rouge, Louisiana, United States of America

Stephanie T. Broyles

Affiliation Population Science, Pennington Biomedical Research Center, Baton Rouge, Louisiana, United States of America

David Harsha

Affiliation Population Science, Pennington Biomedical Research Center, Baton Rouge, Louisiana, United States of America

Betty M. Kennedy

Affiliation Population Science, Pennington Biomedical Research Center, Baton Rouge, Louisiana, United States of America

William D. Johnson

Affiliation Population Science, Pennington Biomedical Research Center, Baton Rouge, Louisiana, United States of America

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: PTK CMC CTL STB DH BMK WDJ. Performed the experiments: PTK CMC CTL STB DH BMK WDJ. Analyzed the data: PTK WJD. Wrote the paper: PTK CMC CTL STB DH BMK WDJ.