Submitted for Publication: January 7, 2013; final revision received April 25, 2013; accepted May 9, 2013.
Published Online: September 26, 2013. doi:10.1001/jamaoto.2013.4491.
Study concept and design: All authors.
Acquisition of data: Chai, Rath, Branstetter.
Analysis and interpretation of data: Chai, Rath, Johnson, Ferris, Branstetter.
Drafting of the manuscript: Chai, Ferris, Duvvuri.
Critical revision of the manuscript for important intellectual content: Chai, Rath, Johnson, Ferris, Kubicek, Branstetter.
Statistical analysis: Chai, Rath, Branstetter.
Administrative, technical, or material support: Chai, Johnson, Ferris, Branstetter.
Study supervision: Rath, Ferris, Kubicek, Branstetter.
Conflict of Interest Disclosures: None reported.
Previous Presentation: This study was presented as a poster at the American Head and Neck Society 2013 Annual Meeting; April 11, 2013; Orlando, Florida.