Submitted for Publication: October 27, 2012; final revision received February 23, 2013; accepted March 3, 2013.
Published Online: July 25, 2013. doi:10.1001/jamaophthalmol.2013.4244.
Study concept and design: Mititelu, Brenner.
Acquisition of data: Wong, Brenner, Jampol, Fawzi.
Analysis and interpretation of data: Mititelu, Brenner, Bryar, Jampol, Fawzi.
Drafting of the manuscript: Mititelu, Wong, Brenner, Jampol, Fawzi.
Critical revision of the manuscript for important intellectual content: Mititelu, Bryar, Jampol, Fawzi.
Statistical analysis: Wong, Brenner.
Administrative, technical, and material support: Mititelu, Brenner, Bryar, Fawzi.
Study supervision: Mititelu, Jampol.
Conflict of Interest Disclosures: None reported.
Funding/Support: This study was supported in part by a gift from Mary Dempsey and Kevin Hitzeman and an unrestricted grant from Research to Prevent Blindness Inc NYC to Northwestern University.
Additional Contributions: Evica Simjanoski, BFA, CRA, senior angiographer, Northwestern Medical Faculty Foundation, assisted with figure preparation.