Published Online: September 19, 2013. doi:10.1001/jamaophthalmol.2013.4830.
Study concept and design: Broomall, Renaud, Ghadban, Brodsky.
Acquisition of data: Broomall, Ghadban, Gavrilova, Brodsky.
Analysis and interpretation of data: All authors.
Drafting of the manuscript: Broomall, Renaud, Ghadban, Gavrilova.
Critical revision of the manuscript for important intellectual content: Renaud, Ghadban, Gavrilova, Brodsky.
Administrative, technical, or material support: Ghadban.
Study supervision: Renaud, Gavrilova, Brodsky.
Conflict of Interest Disclosures: None reported.
Funding/Support: This work was supported in part by a grant from Research to Prevent Blindness, Inc and by the Mayo Foundation.
Role of the Sponsors: The funding agencies had no role in the design and conduct of the study; collection, management, analysis, and interpretation of the data; or preparation, review, or approval of the manuscript.