Submitted for Publication: January 24, 2011; final revision received March 7, 2011; accepted April 12, 2011.
Author Contributions: Drs Grimmer, Williams, and Stevenson 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: Grimmer, Williams, Mineau, Bayrak-Toydemir, and Stevenson. Acquisition of data: Williams, Pimentel, Mineau, Wood, and Stevenson. Analysis and interpretation of data: Grimmer, Williams, and Stevenson. Drafting of the manuscript: Williams, Wood, and Stevenson. Critical revision of the manuscript for important intellectual content: Grimmer, Williams, Pimentel, Mineau, Bayrak-Toydemir, and Stevenson. Statistical analysis: Pimentel. Administrative, technical, and material support: Williams, Pimentel, Mineau, and Wood. Study supervision: Grimmer, Williams, and Stevenson.
Financial Disclosure: None reported.
Funding/Support: This research was supported by a grant from the Division of Otolaryngology, Department of Surgery, University of Utah. The Utah Population Database is supported in part by the Huntsman Cancer Institute, University of Utah. Data extraction was supported in part by Intermountain Healthcare Enterprise Data Warehouses. Dr Stevenson is supported by a Doris Duke Charitable Foundation Clinical Scientist Development Award.
Previous Presentation: This study was presented in part at the 18th International Workshop on Vascular Anomalies of the International Society for the Study of Vascular Anomalies; April 22, 2010; Brussels, Belgium.