Submitted for Publication: May 31, 2014; final revision received August 3, 2014; accepted September 2, 2014.
Published Online: October 23, 2014. doi:10.1001/jamaoto.2014.2548.
Study concept and design: Sheahan, Murphy.
Acquisition, analysis, or interpretation of data: Sheahan, Mohamed, Ryan, Feeley, Fitzgerald, McCarthy, Tuthill, Murphy.
Drafting of the manuscript: Sheahan, Mohamed, Ryan, Feeley, McCarthy.
Critical revision of the manuscript for important intellectual content: Sheahan, Feeley, Fitzgerald, McCarthy, Tuthill, Murphy.
Statistical analysis: Sheahan, Murphy.
Administrative, technical, or material support: Mohamed, Ryan, Fitzgerald, Tuthill, Murphy.
Study supervision: Feeley, Fitzgerald, McCarthy, Murphy.
Conflict of Interest Disclosures: None reported.
Previous Presentation: This study was presented at the Fifth World Congress of the International Federation of Head and Neck Oncologic Societies and the Annual Meeting of the American Head & Neck Society; July 29, 2014; New York, New York.