Submitted for Publication: May 27, 2013; final revision received July 31, 2013; accepted September 13, 2013.
Published Online: November 7, 2013. doi:10.1001/jamaoto.2013.5546.
Study concept and design: Virbalas, Bent.
Acquisition of data: Virbalas, Bent.
Analysis and interpretation of data: Virbalas, Bent, Cohen, Parikh.
Drafting of the manuscript: Virbalas.
Critical revision of the manuscript for important intellectual content: Virbalas, Bent, Cohen, Parikh.
Statistical analysis: Cohen.
Administrative, technical, or material support: Virbalas, Bent, Parikh.
Study supervision: Virbalas, Bent, Parikh.
Conflict of Interest Disclosures: None reported.
Previous Presentation: This study was presented as a poster of the same title at the American Society of Pediatric Otolaryngology Annual Meeting; April 26-28, 2013; Arlington, Virginia.