Accepted for Publication: August 23, 2011.
Published Online: February 13, 2012. doi:10.1001/archneurol.2011.1728
Author Contributions: Dr S. Suzuki had full access to all of the data in the study and takes responsibility for the integrity of the data and the accuracy of the data analysis. Study concept and design: S. Suzuki, Hayashi, and Nishino. Acquisition of data: S. Suzuki and Tsuburaya. Analysis and interpretation of data: S. Suzuki, Hayashi, Kuwana, and N. Suzuki. Drafting of the manuscript: S. Suzuki and Hayashi. Critical revision of the manuscript for important intellectual content: Kuwana, Tsuburaya, N. Suzuki, and Nishino. Statistical analysis: S. Suzuki. Obtained funding: S. Suzuki, Hayashi, and Nishino. Administrative, technical, and material support: Hayashi, Kuwana, Tsuburaya, and N. Suzuki. Study supervision: Nishino.
Financial Disclosure: None reported.
Funding/Support: This work was supported by grant 18790601 from the Japanese Ministry of Education, Science, Sports, and Culture, by a Neuroimmunological Disease Research Committee grant from the Japanese Ministry of Health, Labour, and Welfare, by a Grant-in-Aid for Scientific Research from the Japan Society for the Promotion of Science, by Health Labour Sciences Research Grant 20B-12, 20B-13 for Research on Psychiatric and Neurological Diseases and Mental Health, Research on Measures for Intractable Diseases, and Research on Nervous and Mental Disorders from the Ministry of Health, Labor, and Welfare, and by Intramural Research Grant 23-4, 23-5, 23-6 for Neurological and Psychiatric Disorders at the National Center of Neurology and Psychiatry.