Submitted for Publication: December 2, 2013; final revision received January 21, 2014; accepted January 31, 2014.
Published Online: May 15, 2014. doi:10.1001/jamaophthalmol.2014.983.
Study concept and design: Siemiatkowska, Collin, Cremers.
Acquisition, analysis, or interpretation of data: Siemiatkowska, Schuurs-Hoeijmakers, Bosch, Boonstra, Riemslag, Ruiter, de Vries, Collin.
Drafting of the manuscript: Siemiatkowska, Cremers.
Critical revision of the manuscript for important intellectual content: Bosch, Riemslag, Ruiter, de Vries, den Hollander, Collin, Cremers.
Statistical analysis: Siemiatkowska.
Obtained funding: den Hollander, Cremers.
Administrative, technical, or material support: Bosch, Boonstra.
Study supervision: Collin, Cremers.
Conflict of Interest Disclosures: None reported.
Funding/Support: This research was supported by TOP grant 91209047 from the Netherlands Organization for Scientific Research, the Algemene Nederlandse Vereniging ter Voorkoming van Blindheid, the Gelderse Blinden Stichting, the Landelijke Stichting voor Blinden en Slechtzienden, the Macula Degeneratie Fonds, the Rotterdamse Stichting Blindenbelangen, and the Stichting Blinden-Penning (Drs den Hollander and Cremers).
Role of the Sponsors: The funding sources sponsored the design and conduct of the study; collection, management, analysis, and interpretation of the data; and preparation, review or approval of the manuscript.