Accepted for Publication: September 17, 2014.
Published Online: November 10, 2014. doi:10.1001/jamaneurol.2014.3367.
Study concept and design: Lin, Tsai, Wu, Tzu-Chi Lee.
Acquisition, analysis, or interpretation of data: Kuang-Wu Lee, Tzu-Chi Lee.
Drafting of the manuscript: Lin, Tzu-Chi Lee.
Critical revision of the manuscript for important intellectual content: Tsai, Kuang-Wu Lee, Wu.
Statistical analysis: Lin, Tzu-Chi Lee.
Administrative, technical, or material support: Wu.
Study supervision: Tsai, Kuang-Wu Lee, Wu, Tzu-Chi Lee.
Conflict of Interest Disclosures: None reported.
Funding/Support: This research was supported by the Ching-Ling Foundation of Taipei Veterans General Hospital.
Role of the Funder/Sponsor: The funder had no role in the design and conduct of the study; collection, management, analysis, and interpretation of the data; preparation, review, or approval of the manuscript; and decision to submit the manuscript for publication.