Accepted for Publication: August 17, 2011.
Published Online: November 7, 2011. doi:10.1001/archpediatrics.2011.198
Author Contributions: Dr Paul had full access to all 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: Paul, Beiler, Hollenbeak, Yu, and Weisman. Acquisition of data: Beiler, Alleman, and Sturgis. Analysis and interpretation of data: Paul, Beiler, Schaefer, Hollenbeak, Camacho, and Weisman. Drafting of the manuscript: Paul, Schaefer, and Weisman. Critical revision of the manuscript for important intellectual content: Beiler, Schaefer, Hollenbeak, Alleman, Sturgis, Yu, Camacho, and Weisman. Statistical analysis: Schaefer, Hollenbeak, Camacho, and Weisman. Obtained funding: Paul and Yu. Administrative, technical, and material support: Beiler, Hollenbeak, Sturgis, and Weisman. Study supervision: Paul, Beiler, and Alleman.
Financial Disclosure: None reported.