Accepted for Publication: June 9, 2012.
Published Online: December 3, 2012. doi:10.1001/2013.jamainternmed.951
Author Contributions: Drs Lazzarino and Hamer had full access to the data and take responsibility for the integrity of the data and the accuracy of the data analyses. Study concept and design: Lazzarino, Hamer, and Steptoe. Acquisition of data: Hamer, Stamatakis, and Steptoe. Analysis and interpretation of data: Lazzarino and Steptoe. Drafting of the manuscript: Lazzarino and Hamer. Critical revision of the manuscript for important intellectual content: Lazzarino, Hamer, Stamatakis, and Steptoe. Statistical analysis: Lazzarino. Obtained funding: Steptoe. Administrative, technical, and material support: Steptoe. Study supervision: Hamer, Stamatakis, and Steptoe.
Conflict of Interest Disclosures: None reported.
Funding/Support: This study was supported by grant RG/10/005/28296 from the British Heart Foundation.
Role of the Sponsor: The sponsor played no role in the design and conduct of the study; in the collection, management, analysis, and interpretation of the data; or in the preparation, review, or approval of the manuscript.
Disclaimer: The views expressed in this article are those of the authors and not necessarily of the sponsor.