Submitted for Publication: July 21, 2013; final revision received January 26, 2014; accepted January 28, 2014.
Published Online: May 15, 2014. doi:10.1001/jamaophthalmol.2014.857.
Study concept and design: Boland, Frazier, Plyler, Friedman.
Acquisition, analysis, or interpretation of data: Chang, Plyler, Jefferys, Friedman.
Drafting of the manuscript: Boland.
Critical revision of the manuscript for important intellectual content: All authors.
Statistical analysis: Boland, Jefferys.
Obtained funding: Boland.
Administrative, technical, or material support: Chang, Plyler.
Study supervision: Boland, Plyler.
Conflict of Interest Disclosures: None reported.
Funding/Support: This work was supported by a grant from the Microsoft Be Well Fund (Dr Boland).
Role of the Sponsor: The funding source had no role in the design and conduct of the study; collection, management, analysis, or interpretation of the data; preparation, review, or approval of the manuscript; and decision to submit the manuscript for publication.
Disclaimer: Dr Boland is the JAMA Ophthalmology Web Editor but was not involved in the review process or the acceptance of the manuscript.
Additional Contributions: Rhonda Miller helped with the data collection and management portions of the study.