Accepted for Publication: May 19, 2011.
Published Online: July 11, 2011. doi:10.1001/archneurol.2011.179
Author Contributions:Study concept and design: Bagert and Stüve. Acquisition of data: Marder and Stüve. Analysis and interpretation of data: Bagert, Marder, and Stüve. Drafting of the manuscript: Bagert and Stüve. Critical revision of the manuscript for important intellectual content: Bagert, Marder, and Stüve. Statistical analysis: Bagert and Stüve. Administrative, technical, and material support: Bagert, Marder, and Stüve. Study supervision: Stüve.
Financial Disclosure: None reported.