Submitted for Publication: March 16, 2011; final revision received June 12, 2011; accepted June 21, 2011.
Author Contributions: Dr Kutler 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: Birkeland, Auerbach, and Kutler. Acquisition of data: Birkeland, Auerbach, Sanborn, Parashar, Chandrasekharappa, Smogorzewska, and Kutler. Analysis and interpretation of data: Birkeland, Kuhel, Smogorzewska, and Kutler. Drafting of the manuscript: Birkeland, Parashar, and Kutler. Critical revision of the manuscript for important intellectual content: Birkeland, Auerbach, Sanborn, Kuhel, Chandrasekharappa, Smogorzewska, and Kutler. Statistical analysis: Kutler. Administrative, technical, and material support: Auerbach, Sanborn, Chandrasekharappa, Smogorzewska, and Kutler. Study supervision: Auerbach, Parashar, Kuhel, Smogorzewska, and Kutler.
Financial Disclosure: None reported.
Funding/Support: This project was supported by grant award UL1RR024143 from the National Center for Research Resources, a component of the National Institutes of Health (NIH) and the NIH Roadmap for Medical Research. Dr Smogorzewska is supported by the Burroughs Wellcome Fund Career Award for Medical Scientists and is a Rita Allen Foundation and Irma T. Hirschl scholar.
Disclaimer: The views expressed in this article are solely the responsibility of the authors and do not necessarily represent the official view of the National Center for Research Resources or the NIH.
Previous Presentation: This study was presented as a poster at the Annual Meeting of the American Head and Neck Society; April 27-28, 2011; Chicago, Illinois.
Additional Contributions: We thank the patients and their families for their participation in this study.