Submitted for Publication: December 19, 2013; final revision received February 11, 2014; accepted February 23, 2014.
Published Online: April 10, 2014. doi:10.1001/jamaoto.2014.352.
Study concept and design: Thom, Moore, Price, Olsen.
Acquisition, analysis, or interpretation of data: All authors.
Drafting of the manuscript: Thom, Moore, Price, Olsen.
Critical revision of the manuscript for important intellectual content: All authors.
Statistical analysis: Thom, Starkman.
Study supervision: Thom, Moore, Price, Olsen.
Conflict of Interest Disclosures: None reported.
Previous Presentation: This study was presented as an oral presentation at the Eighth International Conference on Head and Neck Cancer; July 23, 2012; Toronto, Ontario, Canada.