Submitted for Publication: June 4, 2014; final revision received March 28, 2015; accepted April 2, 2015.
Published Online: May 21, 2015. doi:10.1001/jamaoto.2015.0786.
Study concept and design: de Carvalho, Kowalski.
Acquisition, analysis, or interpretation of data: de Carvalho, Chulam.
Drafting of the manuscript: de Carvalho, Kowalski.
Critical revision of the manuscript for important intellectual content: All authors.
Statistical analysis: de Carvalho, Chulam.
Obtained funding: de Carvalho.
Administrative, technical, or material support: All authors.
Study supervision: de Carvalho, Kowalski.
Conflict of Interest Disclosures: None reported.
Previous Presentation: This study was presented at the Thyroid-Neck II session of the American Head and Neck Society/International Federation of Head and Neck Oncologic Societies meeting; July 27, 2014; New York, New York.