Submitted for Publication: October 6, 2012; final revision received December 9, 2012; accepted January 4, 2013.
Author Contributions: Drs Piccirillo, Kallogjeri, and Spitznagel 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: Piccirillo and Garcia. Acquisition of data: Piccirillo, Kallogjeri, Nicklaus, Wineland, Vlassenko, Benzinger, Mathews, and Garcia. Analysis and interpretation of data: Piccirillo, Kallogjeri, Spitznagel, Vlassenko, and Benzinger. Drafting of the manuscript: Piccirillo, Kallogjeri, Nicklaus, and Vlassenko. Critical revision of the manuscript for important intellectual content: Piccirillo, Kallogjeri, Nicklaus, Wineland, Spitznagel, Benzinger, Mathews, and Garcia. Statistical analysis: Piccirillo, Kallogjeri, Spitznagel, and Vlassenko. Obtained funding: Piccirillo. Administrative, technical, and material support: Nicklaus, Wineland, Benzinger, Mathews, and Garcia. Study supervision: Piccirillo, Nicklaus, Benzinger, and Garcia.
Conflict of Interest Disclosures: None reported.
Funding/Support: This research was supported by grant R01 DC009095 from the National Institutes of Deafness and Other Communication Disorders.