Submitted for Publication: March 11, 2011; final revision received April 5, 2012; accepted May 2, 2012.
Author Contributions: Dr Hoyt had full access to all the data in the study and takes responsibility for the integrity of the data and the accuracy of the data analysis. Study concept and design: Knowles, Heath, Saini, Warram, Hoyt, and Rosenthal. Acquisition of data: Knowles, Heath, Saini, Umphrey, Warram, and Hoyt. Analysis and interpretation of data: Knowles, Heath, Umphrey, Warram, and Hoyt. Drafting of the manuscript: Knowles, Heath, Saini, Hoyt, and Rosenthal. Critical revision of the manuscript for important intellectual content: Knowles, Heath, Umphrey, Warram, and Hoyt. Statistical analysis: Knowles, Heath, and Hoyt. Obtained funding: Knowles. Administrative, technical, and material support: Knowles, Umphrey, Warram, and Hoyt. Study supervision: Knowles, Saini, Umphrey, Warram, Hoyt, and Rosenthal.
Financial Disclosure: None reported.
Funding/Support: This work was supported by grants 1R01CA142637 and NCI K08CA102154 from the National Cancer Institute and grant 2T32 CA091078-06 from the National Institutes of Health.
Previous Presentation: This work was presented orally at the 2011 American Head and Neck Society annual meeting for the Combined Sections Meeting; April 28, 2011; Chicago, Illinois.