Submitted for Publication: January 2, 2013; final revision received February 9, 2013; accepted February 25, 2013.
Published Online: August 1, 2013. doi:10.1001/jamaophthalmol.2013.4274.
Study concept and design: Grover, R. L. Fellman.
Acquisition of data: Grover.
Analysis and interpretation of data: All authors.
Drafting of the manuscript: Grover, M. A. Fellman.
Critical revision of the manuscript for important intellectual content: Grover, R. L. Fellman.
Administrative, technical, and material support: Grover, M. A. Fellman.
Study supervision: R. L. Fellman.
Conflict of Interest Disclosures: None reported.