Accepted for Publication: March 1, 2011.
Published Online: May 9, 2011. doi:10.1001/archinternmed.2011.212
Author Contributions: Study concept and design: Goodwin, Reddy, Riall, and Kuo. Acquisition of data: Goodwin. Analysis and interpretation of data: Goodwin, Singh, Reddy, Riall, and Kuo. Drafting of the manuscript: Goodwin, Reddy, and Riall. Critical revision of the manuscript for important intellectual content: Singh and Kuo. Statistical analysis: Kuo. Obtained funding: Goodwin. Administrative, technical, and material support: Goodwin and Singh. Study supervision: Goodwin and Riall.
Financial Disclosure: None reported.
Funding/Support: This study was supported by grants K05CA134923 and R01CA134275 from the National Institutes of Health and grant RP101207 from the Cancer Prevention and Research Institute of Texas.
Additional Contributions: Sarah Toombs Smith, PhD, and Kelley Prevou assisted in the preparation of the manuscript.