Submitted for Publication: February 20, 2014; final revision received April 19, 2014; accepted April 23, 2014.
Published Online: August 28, 2014. doi:10.1001/jamaoto.2014.1709.
Study concept and design: Goyal, Goldenberg.
Acquisition, analysis, or interpretation of data: All authors.
Drafting of the manuscript: Bann, Goldenberg.
Critical revision of the manuscript for important intellectual content: All authors.
Statistical analysis: Bann, Camacho, Goldenberg.
Obtained funding: Bann.
Administrative, technical, or material support: Goyal, Goldenberg.
Study supervision: Goyal, Goldenberg.
Conflict of Interest Disclosures: None reported.
Funding/Support: Dr Bann is supported by National Institutes of Health–National Cancer Institute grant F30 CA165774.
Role of Funder/Sponsor: The funding organization had no role in the design and conduct of the study; collection, management, analysis, and interpretation of data; preparation, review, or approval of the manuscript; or decision to submit the manuscript for publication.
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 27, 2014; New York, New York.
Additional Contributions: The Department of Public Health Sciences at the Penn State Hershey Cancer Institute assisted in conducting this research.