Submitted for Publication: February 23, 2013; final revision received May 2, 2013; accepted May 7, 2013.
Published Online: September 26, 2013. doi:10.1001/jamaophthalmol.2013.5052.
Study concept and design: Wu, Lien, Chao, T.-L. Chen, Hwang, Lai, Huang.
Acquisition of data: Wu, Wang, Lien, Y.-P. Chen, Chao, K.-J. Chen, Hwang, Lai, Tsai.
Analysis and interpretation of data: Wu, Shih, Chao, Hwang, Lai.
Drafting of the manuscript: Wu, Chao, Hwang, Lai, Huang, Tsai.
Critical revision of the manuscript for important intellectual content: Wu, Shih, Wang, Lien, Y.-P. Chen, Chao, K.-J. Chen, T.-L. Chen, Hwang, Lai.
Statistical analysis: Wu, Shih, Chao, Hwang, Lai.
Obtained funding: Wu, Chao, Hwang, Lai.
Administrative, technical, or material support: Wang, Y.-P. Chen, K.-J. Chen, T.-L. Chen, Hwang, Huang.
Study supervision: Wu, Lien, Chao, Hwang, Lai.
Conflict of Interest Disclosures: None reported.
Funding/Support: This study was partially supported by Chang Gung Memorial Hospital Research Grant CMRPG3A0391 and National Science Council Research Grant NSC98-231-B-182A-001-MY2.
Role of the Sponsor: The funders had no role in the design and conduct of the study; collection, management, analysis, and interpretation of the data; and preparation, review, or approval of the manuscript; and decision to submit the manuscript for publication.