Submitted for Publication: March 10, 2011; final revision received September 7, 2011; accepted September 18, 2011.
Author Contributions: Dr Patel 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: Ali, Palmer, Ganly, Shaha, Shah, and Patel. Acquisition of data: Ali and Palmer. Analysis and interpretation of data: Ali, Yu, Palmer, Shaha, Shah, Kattan, and Patel. Drafting of the manuscript: Ali, Yu, Palmer, and Ganly. Critical revision of the manuscript for important intellectual content: Ali, Yu, Palmer, Ganly, Shaha, Shah, Kattan, and Patel. Statistical analysis: Yu and Kattan. Administrative, technical, and material support: Palmer and Shaha. Study supervision: Ganly, Shaha, Shah, and Patel.
Financial Disclosure: None reported.
Previous Presentation: This study was presented at the American Head and Neck Society 2011 Annual Meeting; April 27, 2011; Chicago, Illinois.