Accepted for Publication: August 6, 2013.
Published Online: September 30, 2013. doi:10.1001/jamaneurol.2013.3933.
Study concept and design: Aghi, Scott.
Acquisition of data: Ayodele, Pekmezci, Aghi.
Analysis and interpretation of data: Pekmezci, Aghi.
Drafting of the manuscript: Ayodele, Scott.
Critical revision of the manuscript for important intellectual content: Pekmezci, Aghi, Scott.
Administrative, technical, or material support: Ayodele, Pekmezci, Aghi.
Study supervision: Aghi, Scott.
Conflict of Interest Disclosures: None reported.