Author Contributions: Dr El-Sohemy had full access to all of the data in the study and takes responsibility for the integrity of the data and the accuracy of the data analysis.
Study concept and design: El-Sohemy, Campos.
Acquisition of data: Cornelis, El-Sohemy, Campos.
Analysis and interpretation of data: Cornelis, El-Sohemy, Kabagambe, Campos.
Drafting of the manuscript: Cornelis, El-Sohemy.
Critical revision of the manuscript for important intellectual content: Cornelis, El-Sohemy, Kabagambe, Campos.
Statistical analysis: Cornelis, El-Sohemy, Kabagambe, Campos.
Obtained funding: El-Sohemy, Campos.
Administrative, technical, or material support: Campos.
Study supervision: El-Sohemy, Campos.
Financial Disclosures: None reported.
Funding/Support: This research was supported by grants from the Canadian Institutes of Health Research (MOP-53147) and the National Institutes of Health (HL 60692 and HL 071888). Ms Cornelis is a recipient of a Natural Sciences and Engineering Research Council of Canada postgraduate scholarship. Dr El-Sohemy holds a Canada Research Chair in Nutrigenomics.
Role of the Sponsor: The Canadian Institutes of Health Research and the National Institutes of Health had no role in the design and conduct of the study: in the collection, analysis, and interpretation of the data; or the preparation, review, or approval of the manuscript.
Acknowledgment: We thank Xinia Siles, RD, project director at the Centro Centroamericano de Poblacion, Universidad de Costa Rica, for directing all the data collection, and Ana Baylin, MD, DrPh, Department of Nutrition, Harvard University School of Public Health, for data monitoring and management throughout the study.