Submitted for Publication: December 19, 2010; final revision received May 20, 2011; accepted June 6, 2011.
Author Contributions: Drs Hussey, Woods, Ooi, and Carney 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: Hussey, Woods, and Carney. Acquisition of data: Hussey, Woods, Harris, and Carney. Analysis and interpretation of data: Hussey, Woods, Harris, Thomas, Ooi, and Carney. Drafting of the manuscript: Hussey, Woods, and Harris. Critical revision of the manuscript for important intellectual content: Hussey, Woods, Thomas, Ooi, and Carney. Obtained funding: Woods, Harris, and Carney. Administrative, technical, and material support: Hussey, Woods, Harris, Ooi, and Carney. Study supervision: Hussey and Carney.
Financial Disclosure: None reported.
Funding/Support: This work was performed with a grant from the Channel 7 Children's Research Foundation.
Previous Presentations: Portions of this work were poster presentations at the following conferences: Frontiers in Otorhinolaryngology; July 30-August 1, 2008; Noosa, Queensland, Australia; Australian Society of Otolaryngology, Head and Neck Surgery; May 23-27, 2009; Gold Coast, Queensland, Australia; and Frontiers in Otorhinolaryngology; July 28-30, 2010; Melbourne, Victoria, Australia.