[1] Inst Invest Biomed August Pi & Sunyer, Neuroimmunol Program, Barcelona, Spain
[2] Hosp Clin Barcelona, Serv Neurol, Barcelona, Spain
[3] Erasmus MC, Dept Neurol, Rotterdam, Netherlands
[4] Univ Penn, Dept Neurol, Philadelphia, PA 19104 USA
[5] Alberta Children Hosp, Dept Pediat, Calgary, AB, Canada
[6] Krankenhaus Mara, Epilepsy Ctr Bethel, Bielefeld, Germany
[7] McMaster Univ, Dept Pediat, McMaster Childrens Hosp, Hamilton, ON, Canada
[8] NINDS, Neuroimmunol Clin, NIH, Bldg 36,Rm 4D04, Bethesda, MD 20892 USA
[9] Univ Sydney, Neuroimmunol Grp, Childrens Hosp Westmead, Sydney, NSW 2006, Australia
[10] Univ Calif San Francisco, Dept Neurol, San Francisco, CA 94143 USA
[11] Kaiser Permanente, Div Pediat Infect Dis, Oakland Med Ctr, San Francisco, CA USA
[12] Univ Calif San Francisco, San Francisco, CA 94143 USA
[13] Univ Lyon 1, French Reference Ctr Paraneoplast Neurol Syndrome, Hosp Civils Lyon, Hop Neurol,Inserm U1028,CNRS UMR 5292,Lyons Neuro, F-69365 Lyon, France
[14] Med Univ Vienna, Inst Neurol, Vienna, Austria
[15] Kitasato Univ, Sch Med, Dept Neurol, Sagamihara, Kanagawa, Japan
[16] Univ Oxford, John Radcliffe Hosp, Nuffield Dept Clin Neurosci, Oxford OX3 9DU, England
[17] Univ Med Ctr Schleswig Holstein, Inst Clin Chem, Neuroimmunol, Kiel, Germany
[18] Univ Med Ctr Schleswig Holstein, Dept Neurol, Kiel, Germany
[19] Charite, Dept Neurol, D-13353 Berlin, Germany
[20] German Ctr Neurodegenerat Disorders Berlin, Berlin, Germany
[21] Cleveland Clin Fdn, Dept Neurol, 9500 Euclid Ave, Cleveland, OH 44195 USA
[22] Med Univ Innsbruck, Dept Clin Neurol, A-6020 Innsbruck, Austria
[23] Univ Witten Herdecke, Childrens Hosp Datteln, Dept Pediat Neurol, Datteln, Germany
[24] Johns Hopkins Univ, Sch Med, Dept Neurol, Baltimore, MD 21205 USA
[25] Univ Hosp Schleswig Holstein, Inst Clin Chem, Lubeck, Germany
[26] Univ Hosp Schleswig Holstein, Dept Neurol, Lubeck, Germany
[27] ICREA, Barcelona, Spain