1. August Pi i Sunyer Biomedical Research Institute (IDIBAPS), Service of Neurology, Hospital Clínic, University of Barcelona, Barcelona, Spain2Institute of Clinical Chemistry, Neuroimmunology Unit, Department of Neurology, University Medical Center Schleswi
2. August Pi i Sunyer Biomedical Research Institute (IDIBAPS), Service of Neurology, Hospital Clínic, University of Barcelona, Barcelona, Spain3Institute of Neurology, Medical University of Vienna, Vienna, Austria
3. Department of Neurology, Erasmus Medical Center, Rotterdam, the Netherlands
4. August Pi i Sunyer Biomedical Research Institute (IDIBAPS), Service of Neurology, Hospital Clínic, University of Barcelona, Barcelona, Spain
5. Department of Psychiatry, University Medical Center Hamburg Eppendorf, Hamburg, Germany
6. August Pi i Sunyer Biomedical Research Institute (IDIBAPS), Service of Neurology, Hospital Clínic, University of Barcelona, Barcelona, Spain6Department of Pediatrics I, Division of Pediatric Neurology, Medical University Innsbruck, Innsbruck, Austria
7. Institute for Experimental Immunology, Euroimmun AG, Lübeck, Germany
8. Department of Microbiology, University Medical Hamburg Eppendorf, Hamburg, Germany
9. Institute of Clinical Chemistry, Neuroimmunology Unit, Department of Neurology, University Medical Center Schleswig-Holstein Campus Lübeck, Lübeck, Germany
10. August Pi i Sunyer Biomedical Research Institute (IDIBAPS), Service of Neurology, Hospital Clínic, University of Barcelona, Barcelona, Spain10Department of Neurology, University of Pennsylvania, Philadelphia11Catalan Institution for Research and Advanced