Submitted for Publication: April 3, 2013; final revision received July 9, 2013; accepted July 28, 2013.
Published Online: September 19, 2013. doi:10.1001/jamaoto.2013.4720.
Study concept and design: Both authors.
Acquisition of data: Both authors.
Analysis and interpretation of data: Both authors.
Drafting of the manuscript: Both authors.
Critical revision of the manuscript for important intellectual content: Sumer.
Statistical analysis: Both authors.
Obtained funding: Zhang.
Administrative, technical, or material support: Sumer.
Study supervision: Sumer.
Conflict of Interest Disclosures: Dr Sumer has received honoraria from Intuitive Surgical Inc for serving as a surgical proctor. No other disclosures are reported.
Role of the Sponsor: Intuitive Surgical Inc had no role in the design and conduct of the study; collection, management, analysis, and interpretation of the data; and preparation, review, or approval of the manuscript; and decision to submit the manuscript for publication.
Funding/Support: The study was supported by the University of Texas Southwestern Medical Student Research Program.
Previous Presentation: This study was presented at the American Head and Neck Society 2013 Annual Meeting; April 10, 2013; Orlando, Florida.