Submitted for Publication: September 18, 2013; final revision received November 3, 2013; accepted December 4, 2013.
Published Online: January 30, 2014. doi:10.1001/jamaoto.2013.6541.
Study concept and design: All authors.
Acquisition of data: All authors.
Analysis and interpretation of data: Visaya, Modi
Drafting of the manuscript: All authors.
Critical revision of the manuscript for important intellectual content: Visaya, Modi.
Statistical analysis: Modi.
Obtained funding: Ward, Modi.
Administrative, technical, and material support: All authors.
Study supervision: Ward, Modi.
Conflict of Interest Disclosures: None reported.
Previous Presentation: These findings were included in an oral presentation at the American Society of Pediatric Otolaryngology (ASPO) annual meeting; April 26, 2013; Arlington, Virginia.
Additional Contributions: Rodolfo J. Ricart Arbona, MLAS, DVM, and the technical staff of the Research Animal Resource Center provided support with the animal protocol and perioperative care.