Accepted for Publication: April 11, 2012.
Published Online: October 15, 2012. doi:10.1001/jamaneurol.2013.585
Author Contributions:Study concept and design: Hansen and Wandinger. Acquisition of data: Hansen, Li, Weißbrich, and Wandinger. Analysis and interpretation of data: Klingbeil, Dalmau, and Wandinger. Drafting of the manuscript: Hansen, Klingbeil, and Wandinger. Critical revision of the manuscript for important intellectual content: Hansen, Klingbeil, Dalmau, Li, Weißbrich, and Wandinger. Administrative, technical, and material support: Klingbeil, Li, Weißbrich, and Wandinger. Study supervision: Hansen, Dalmau, and Wandinger.
Financial Disclosure: Ms Klingbeil and Drs Li and Wandinger are employees of EUROIMMUN, and Drs Li and Wandinger hold stock in EUROIMMUN. Dr Dalmau receives royalties from the editorial board of UpToDate and from patents for the use of Ma2 and NMDAR as autoantibody test and has received a research grant from EUROIMMUN.
Funding/Support: Dr Dalmau was supported in part by grants R01NS077851 and R01MH094741 from the National Institutes of Health, grant R01CA89054 from the National Cancer Institute, Fundació la Marató de TV3, and a McKnight Neuroscience of Brain Disorders Award.