Submitted for Publication: August 3, 2012; final revision received November 17, 2012; accepted January 22, 2013.
Published Online: June 20, 2013. doi:10.1001/jamaophthalmol.2013.260.
Acquisition of data: All authors.
Analysis and interpretation of data: Chantada, Bosaleh, Solernou, Fandiño, and de Dávila.
Drafting of the manuscript: Chantada, Sampor, Bosaleh, Solernou, and Fandiño.
Critical revision of the manuscript for important intellectual content: Chantada and de Dávila.
Statistical analysis: Chantada and Sampor.
Obtained funding: Chantada.
Administrative, technical, and material support: Fandiño.
Study supervision: Fandiño and de Dávila.
Conflict of Interest Disclosures: None reported.
Funding/Support: This study was supported in part by the Fund for Ophthalmic Knowledge.