About the Authors

Mark A. Sarzynski

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

Peter Jacobson

Affiliation Institutes of Medicine, The Sahlgrenska Academy, University of Gothenburg, Gothenburg, Sweden

Tuomo Rankinen

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

Björn Carlsson

Affiliation Institutes of Medicine, The Sahlgrenska Academy, University of Gothenburg, Gothenburg, Sweden

Lars Sjöström

Affiliation Institutes of Medicine, The Sahlgrenska Academy, University of Gothenburg, Gothenburg, Sweden

Claude Bouchard

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

Lena M. S. Carlsson

lena.carlsson@medic.gu.se

Affiliation Institutes of Medicine, The Sahlgrenska Academy, University of Gothenburg, Gothenburg, Sweden

Competing Interests

The authors have read the journal's policy and have the following conflicts: P. Jacobson reported receiving research grants from Hoffmann LaRoche. B. Carlsson reported being employed by and holding stocks in AstraZeneca. L. Sjöström reported obtaining unrestricted Swedish Obese Subjects grants from sanofi-aventis and Johnson & Johnson since 2007; receiving lecture and consulting fees from AstraZeneca, Biovitrum, Bristol-Myers Squibb, GlaxoSmithKline, Johnson & Johnson, Lenimen, Merck, Novo Nordisk, Hoffmann LaRoche, sanofi-aventis, and Servier; and holding stocks in Lenimen and being chairman of its board. C. Bouchard reported receiving consulting fees from the Weight Watchers Scientific Advisory Board and is a member of the Scientific Advisory Board of Pathway Genomics. L. Carlsson reported serving as a consultant for AstraZeneca and holding stocks in Sahltech. The other authors have nothing to disclose. There are no patents, products in development or marketed products to declare. 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: LS CB. Performed the experiments: PJ BC LS LMSC. Analyzed the data: MAS TR. Contributed reagents/materials/analysis tools: PJ TR BC LS CB LMSC. Wrote the paper: MAS. Reviewed and contributed to the final version of the manuscript: MAS PJ TR BC LS CB LMSC.