Submitted for Publication: February 9, 2015; final revision received May 7, 2015; accepted June 19, 2015.
Published Online: August 27, 2015. doi:10.1001/jamaoto.2015.1497.
Study concept and design: Bancos, Thompson, Kasperbauer, Clarke, Drake, Stan.
Acquisition, analysis, or interpretation of data: Shah, Bancos, Richards, Kasperbauer, Clarke, Drake, Stan.
Drafting of the manuscript: Shah, Drake, Stan.
Critical revision of the manuscript for important intellectual content: All authors.
Obtained funding: Drake, Stan.
Administrative, technical, or material support: Bancos, Kasperbauer.
Study supervision: Richards, Kasperbauer, Drake, Stan.
Conflict of Interest Disclosures: None reported.
Funding/Support: This work was supported in part by the Mayo Foundation for Medical Education and Research.
Role of the Funder/Sponsor: The funding source had no role in the design and conduct of the study; collection, management, analysis, and interpretation of the data; preparation, review, or approval of the manuscript; and decision to submit the manuscript for publication.
Previous Presentation: These data were presented in poster format at the 84th Annual Meeting of the American Thyroid Association; October 31, 2014; Coronado, California.