Submitted for Publication: September 6, 2013; final revision received December 4, 2013; accepted January 6, 2014.
Published Online: March 20, 2014. doi:10.1001/jamaoto.2014.141.
Study concept and design: McIlwain, Sood, Day.
Acquisition of data: McIlwain, Sood, Day.
Analysis and interpretation of data: All authors.
Drafting of the manuscript: McIlwain, Sood, Day.
Critical revision of the manuscript for important intellectual content: All authors.
Statistical analysis: McIlwain, Sood, Nguyen.
Study supervision: Day.
Conflict of Interest Disclosures: None reported.
Additional Information: The abstract for this article was submitted to the Fifth World Congress–International Federation of Head and Neck Oncologic Societies and the Annual Meeting of the American Head and Neck Society; July 26-30, 2014; New York, New York.