Submitted for Publication: February 1, 2013; final revision received July 28, 2013; accepted August 22, 2013.
Published Online: October 10, 2013. doi:10.1001/jamaoto.2013.5054.
Study concept and design: Hatcher, Browne, Waltonen.
Acquisition of data: All authors.
Analysis and interpretation of data: Hatcher, Waltonen.
Drafting of the manuscript: Hatcher, Bell, Waltonen.
Critical revision of the manuscript for important intellectual content: Hatcher, Browne, Waltonen.
Statistical analysis: Bell.
Administrative, technical, and material support: Browne, Waltonen,
Study supervision: Browne, Waltonen.
Conflict of Interest Disclosures: None reported.
Previous Presentation: This study was presented at the American Head and Neck Society 2013 Annual Meeting; April 10, 2013; Orlando, Florida.