Submitted for Publication: May 30, 2011; final revision received August 10, 2011; October 2, 2011.
Author Contributions: Dr Hou 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: Hou, Dai, Shafirstein, Suen, and Richter. Acquisition of data: Hou, Buckmiller, and Richter. Analysis and interpretation of data: Hou, Dai, Shafirstein, Fan, Saad, Suen, and Richter. Drafting of the manuscript: Hou and Richter. Critical revision of the manuscript for important intellectual content: Dai, Buckmiller, Shafirstein, Fan, Saad, and Suen. Statistical analysis: Hou and Richter. Administrative, technical, and material support: Dai, Shafirstein, Suen, and Richter. Study supervision: Dai, Shafirstein, Fan, and Saad.
Financial Disclosure: None reported.
Funding/Support: This study was supported by an independent grant to the senior author (GTR) provided by the Marion B. Lyon New Scientists Development Award through the Arkansas Children's Hospital Research Institute.
Previous Presentation: This study was presented at the American Society of Pediatric Otolaryngology meeting; April 30, 2011; Chicago, Illinois; and received a second place William Potsic Basic Science Research Award.
Additional Contributions: Jessica Boswell assisted with daily laboratory functions.