Submitted for Publication: January 6, 2013; final revision received February 17, 2013; accepted February 26, 2013.
Published Online: August 15, 2013. doi:10.1001/jamaophthalmol.2013.4558.
Acquisition of data: Mateo, Dutra Medeiros, Postorino.
Analysis and interpretation of data: Mateo, Dutra Medeiros, Alkabes, Burés-Jelstrup.
Drafting of the manuscript: Dutra Medeiros, Alkabes, Postorino.
Critical revision of the manuscript for important intellectual content: Mateo, Dutra Medeiros, Alkabes, Burés-Jelstrup, Corcóstegui.
Statistical analysis: Dutra Medeiros, Alkabes.
Administrative, technical, or material support: Mateo, Dutra Medeiros, Alkabes, Postorino, Corcóstegui.
Study supervision: All authors.
Conflict of Interest Disclosures: None reported.