Submitted for Publication: May 2, 2012; final revision received July 3, 2012; accepted July 12, 2012.
Published Online: August 20, 2012. doi:10.1001 /archoto.2012.1753
Author Contributions: Dr Hutcheson 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: Hutcheson. Acquisition of data: Hutcheson. Analysis and interpretation of data: Hutcheson, Sturgis, and Lewin. Drafting of the manuscript: Hutcheson and Sturgis. Critical revision of the manuscript for important intellectual content: Hutcheson, Sturgis, and Lewin. Statistical analysis: Hutcheson. Study supervision: Hutcheson, Sturgis, and Lewin.
Financial Disclosure: None reported.
Funding/Support: Dr Hutcheson acknowledges funding from the University of Texas Health Innovation for Cancer Prevention Research Fellowship, The University of Texas School of Public Health–Cancer Prevention and Research Institute of Texas (CPRIT) grant RP101503.
Previous Presentation: This study was presented in part at the Combined Otolaryngological Spring Meetings of the American Head and Neck Society; April 28, 2011; Chicago, Illinois.
Disclaimer: The content is solely the responsibility of the authors and does not necessarily represent the official views of the CPRIT.
Additional Contributions: Janet R. Hampton provided valuable support.