Author Contributions: Dr Rogers 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: Rogers, Blumberg, Kuhn, Chenoweth, and Saint. Acquisition of data: Rogers and Shuman. Analysis and interpretation of data: Rogers, Blumberg, Heal, Kuhn, Greene, Chenoweth, and Chang. Drafting of the manuscript: Rogers, Blumberg, Heal, Kuhn, and Chenoweth. Critical revision of the manuscript for important intellectual content: Rogers, Blumberg, Heal, Greene, Shuman, Chenoweth, Chang, and Saint. Statistical analysis: Rogers, Kuhn, and Greene. Obtained funding: Rogers and Saint. Administrative, technical, and material support: Shuman. Study supervision: Rogers, Shuman, and Saint.
Financial Disclosure: None reported.
Funding/Support: This project was funded by grant DK078717 from The National Institute of Diabetes and Digestive and Kidney Diseases. It was also supported in part by grants HL078603, HL095467, and HL100051 from the National Heart, Lung, and Blood Institute.
Role of the Sponsors: Other than initial scientific review and approval for funding, the National Institutes of Health had no role in the design and conduct of the study; collection, management, analysis, and interpretation of the data; and preparation, review, or approval of the manuscript.