Submitted for Publication: April 23, 2012; final revision received July 3, 2012; accepted August 12, 2012.
Author Contributions: Drs Johnson, Geis, and Kerrey and Ms Oehler had full access to all the data in the study and take responsibility for the integrity of the data and the accuracy of the data analysis. Study concept and design: Johnson, Geis, Meinzen-Derr, Myer, and Kerrey. Acquisition of data: Johnson, Oehler, Bauer, and Kerrey. Analysis and interpretation of data: Johnson, Geis, Meinzen-Derr, and Kerrey. Drafting of the manuscript: Johnson, Geis, Meinzen-Derr, Bauer, and Kerrey. Critical revision of the manuscript for important intellectual content: Johnson, Geis, Oehler, Meinzen-Derr, Myer, and Kerrey. Statistical analysis: Meinzen-Derr. Obtained funding: Geis. Administrative, technical, and material support: Johnson, Geis, Oehler, and Bauer. Study supervision: Geis and Kerrey.
Financial Disclosure: None reported.
Previous Presentation: This article was presented at the American Society of Pediatric Otolaryngology 2012 Annual Meeting; April 21, 2012; San Diego, California.