Accepted for Publication: May 13, 2013.
Published Online: July 22, 2013. doi:10.1001/jamaneurol.2013.3499.
Acquisition of data: Chang, Alexopoulos, McMenamin, Carvajal-González, Alexander, Deacon, Lang, Blaes, Brown.
Analysis and interpretation of data: Chang, Alexopoulos, Carvajal-González, Szabó, Vincent.
Drafting of the manuscript: Chang, Erdelyi.
Critical revision of the manuscript for important intellectual content: Chang, Alexopoulos, McMenamin, Carvajal-González, Alexander, Deacon, Szabó, Lang, Blaes, Brown, Vincent.
Statistical analysis: Chang, Deacon, Blaes, Vincent.
Obtained funding: Chang, Vincent.
Administrative, technical, and material support: Chang, McMenamin, Alexander, Erdelyi, Szabó, Lang, Brown, Vincent.
Study supervision: Deacon, Lang, Vincent.
Conflict of Interest Disclosures: Dr Vincent and the University of Oxford hold patents and receive royalties and payments for antibody tests, but these do not apply to GAD antibodies.
Funding/Support: This study was supported by the Commonwealth Scholarship Commission (Dr Chang); by the Medical Research Council of Great Britain (Dr Alexopoulos); by the DANA Foundation (Dr McMenamin); by the Wellcome Trust OXION initiative (Drs Deacon and Vincent); and by the Oxford National Institute for Health Research Biomedical Research Centre (Dr Vincent).
Additional Contributions: Ming Lim, PhD, of King’s College, London, provided guidance with free-floating immunohistochemistry.
Correction: This article was corrected on January 8, 2014, to fix an author’s name in the byline and in the Author Affiliations and Author Contributions sections.