Accepted for Publication: April 19, 2012.
Published Online: July 23, 2012. doi:10.1001/archpediatrics.2012.1173
Author Contributions: Dr Yoon 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: Yoon, Rocchini, Kershaw, Ascione, and Clark. Acquisition of data: Yoon and Cohn. Analysis and interpretation of data: Yoon, Cohn, Rocchini, Freed, and Clark. Drafting of the manuscript: Yoon and Rocchini. Critical revision of the manuscript for important intellectual content: Yoon, Cohn, Rocchini, Kershaw, Freed, Ascione, and Clark. Statistical analysis: Yoon and Cohn. Obtained funding: Yoon and Rocchini. Administrative, technical, and material support: Yoon, Cohn, Rocchini, and Clark. Study supervision: Rocchini, Kershaw, and Freed.
Financial Disclosure: None reported.
Funding/Support: This study was funded by National Heart, Lung, and Blood Institute grant EYY K23 HL 092060.
Disclaimer: The content is solely the responsibility of the authors and does not necessarily represent the official views of the National Heart, Lung, and Blood Institute or the National Institutes of Health.