Accepted for Publication: November 7, 2011.
Published Online: January 23, 2012. doi:10.1001/archinternmed.2011.1311
Author Contributions: Drs Peterson had full access to all the data in the study, and Drs Peterson, Charlson, and Wells take full responsibility for the integrity of the data and the accuracy of the data analysis. Study concept and design: Peterson, Charlson, Hollenberg, Jobe, Isen, and Allegrante. Acquisition of data: Peterson, Charlson, Hollenberg, and Boschert. Analysis and interpretation of data: Peterson, Charlson, Hoffman, Wells, Wong, Hollenberg, and Isen. Drafting of the manuscript: Peterson, Hoffman, Wells, Hollenberg, and Boschert. Critical revision of the manuscript for important intellectual content: Peterson, Charlson, Hoffman, Wells, Wong, Jobe, and Allegrante. Statistical analysis: Peterson, Wells, Hollenberg, and Isen. Obtained funding: Peterson, Charlson, and Allegrante. Administrative, technical, and material support: Charlson, Hoffman, Hollenberg, Boschert, and Allegrante. Study supervision: Peterson and Jobe.
Financial Disclosure: None reported.
Funding/Support: The study was supported by grant 1N01-HC-25196 from the National Heart, Lung, and Blood Institute.
Additional Contributions: We thank E. Marina Klimasiewfski, BA, BS, Jennifer L. Prokop, BA, and K. Patrick Lane, BA, for their assistance in the conduct of the study. All were Weill Cornell Medical College employees and supported by the study grant. We also thank Alissa R. Link, BS, for her assistance in the preparation and editing of this manuscript.