Submitted for Publication: April 12, 2011; final revision received October 12, 2011; accepted November 15, 2011.
Author Contributions: Drs Dai, Hou, Fan, Saad, Suen, and Richter had full access to all the data in the study and take responsibility for the integrity of the data and the accuracy of the data analysis. Study concept and design: Richter. Acquisition of data: Dai, Hou, Buckmiller, and Richter. Analysis and interpretation of data: Dai, Fan, Saad, Suen, and Richter. Drafting of the manuscript: Dai and Richter. Critical revision of the manuscript for important intellectual content: Hou, Buckmiller, Fan, Saad, and Suen. Statistical analysis: Dai and Richter. Obtained funding: Suen. Administrative, technical, and material support: Dai, Hou, Suen, and Richter. Study supervision: Fan and Saad.
Financial Disclosure: None reported.
Funding/Support: This study is supported by the Children's University Medical Group grant awarded by Arkansas Children's Hospital Research Institute.
Previous Presentation: This study was an oral presentation at the American Society of Pediatric Otolaryngology Annual Meeting; April 30, 2011; Chicago, Illinois.
Additional Contributions: We thank Jessica Boswell, BS, for all her hard work that allows our laboratory and daily research to function so smoothly.