Submitted for Publication: October 18, 2012; final revision received January 29, 2013; accepted February 12, 2013.
Published Online: June 27, 2013. doi:10.1001/jamaophthalmol.2013.405.
Study concept and design: Liskova and Vincent.
Acquisition of data: Liskova, Palos, and Vincent.
Analysis and interpretation of data: Liskova, Hardcastle, and Vincent.
Drafting of the manuscript: Liskova, Palos, Hardcastle, and Vincent.
Critical revision of the manuscript for important intellectual content: Liskova and Vincent.
Statistical analysis: Liskova.
Obtained funding: Liskova and Vincent.
Administrative, technical, and material support: Liskova, Palos, and Vincent.
Study supervision: Hardcastle.
Conflict of Interest Disclosures: None reported.
Funding/Support: This study was supported by research grant GACR P301/12/P591 (Dr Liskova) and by Save Sight Society of New Zealand and School of Medicine Foundation (Dr Vincent).
Additional Contributions: Amanda Richards, MSc, and Bryan Hay, BSc, provided technical assistance.