Accepted for Publication: October 19, 2011.
Author Contributions:Study concept and design: Parker, Eisler, Dresner, and Walsh. Acquisition of data: Parker, Eisler, Dresner, and Walsh. Analysis and interpretation of data: Parker, Dresner, and Walsh. Drafting of the manuscript: Parker. Critical revision of the manuscript for important intellectual content: Parker, Eisler, Dresner, and Walsh. Statistical analysis: Parker. Obtained funding: Walsh. Administrative, technical, and material support: Eisler, Dresner, and Walsh. Study supervision: Dresner and Walsh.
Financial Disclosure: None reported.
Funding/Support: This study was generously supported by an Otolaryngology Department Grant from the Minneapolis Medical Research Foundation.
Previous Presentation: This study was presented as a poster at the American Academy of Otolaryngology–Head and Neck Surgery Foundation Annual Meeting; September 11-14, 2011; San Francisco, California.