About the Authors

Claude Bouchard

claude.bouchard@pbrc.edu

Affiliation Human Genomics Laboratory, Pennington Biomedical Research Center, Baton Rouge, Louisiana, United States of America

Steven N. Blair

Affiliation Departments of Exercise Science and Epidemiology/Biostatistics, University of South Carolina, Columbia, South Carolina, United States of America

Timothy S. Church

Affiliation Preventive Medicine Laboratory, Pennington Biomedical Research Center, Baton Rouge, Louisiana, United States of America

Conrad P. Earnest

Affiliation Preventive Medicine Laboratory, Pennington Biomedical Research Center, Baton Rouge, Louisiana, United States of America

James M. Hagberg

Affiliation Department of Kinesiology, University of Maryland, College Park, Maryland, United States of America

Keijo Häkkinen

Affiliation Department of Biology of Physical Activity, University of Jyväskylä, Jyväskylä, Finland

Nathan T. Jenkins

Current address: Department of Biomedical Sciences, University of Missouri, Columbia, Missouri, United States of America

Affiliation Department of Kinesiology, University of Maryland, College Park, Maryland, United States of America

Laura Karavirta

Affiliation Department of Biology of Physical Activity, University of Jyväskylä, Jyväskylä, Finland

William E. Kraus

Affiliation Department of Medicine, Duke University Medical Center, Durham, North Carolina, United States of America

Arthur S. Leon

Affiliation School of Kinesiology, University of Minnesota, Minneapolis, Minnesota, United States of America

D. C. Rao

Affiliation Division of Biostatistics, Washington University School of Medicine, St. Louis, Missouri, United States of America

Mark A. Sarzynski

Affiliation Human Genomics Laboratory, Pennington Biomedical Research Center, Baton Rouge, Louisiana, United States of America

James S. Skinner

Affiliation Professor Emeritus of Kinesiology, Indiana University, Bloomington, Indiana, United States of America

Cris A. Slentz

Affiliation Department of Medicine, Duke University Medical Center, Durham, North Carolina, United States of America

Tuomo Rankinen

Affiliation Human Genomics Laboratory, Pennington Biomedical Research Center, Baton Rouge, Louisiana, United States of America

Competing Interests

C. Bouchard is a member of the Science Advisory Board of Pathway Genomics. This does not alter the authors' adherence to all the PLoS ONE policies on sharing data and materials.

Author Contributions

Conceived and designed the experiments: CB TR TSC. Performed the experiments: CB TR. Analyzed the data: CB TR. Contributed reagents/materials/analysis tools: CB SNB TSC CPE JMH KH NTJ LK WEK DCR ASL JSS CAS TR. Wrote the paper: CB. Reviewed and contributed to the final version of the manuscript: CB SNB TSC CPE JMH KH NTJ LK WEK ASL DCR MAS JSS CAS TR.