1. Stanford Center for Sleep Sciences and Medicine, Stanford University School of Medicine , Stanford, CA 94305 , USA
2. Department of Neurology and Experimental Neurology, Charité-Universitätsmedizin Berlin, Corporate Member of Freie Universität Berlin, Humboldt-Universität Berlin , 10117, Berlin , Germany
3. Einstein Center for Neurosciences Berlin, Charité—Universitätsmedizin Berlin , 10117 Berlin , Germany
4. Neuroimmunology Program, Fundació de Recerca Clínic Barcelona-Institut d’Investigacions Biomèdiques August Pi i Sunyer, Caixa Research Institute, Universitat de Barcelona , 08036, Barcelona , Spain
5. Institute for Immunity, Transplantation, and Infection, Stanford University School of Medicine , Stanford, CA 94305 , USA
6. Human Immune Monitoring Center, Institute for Immunity, Transplantation, and Infection, Stanford University School of Medicine , Stanford, CA 94305 , USA
7. French Reference Center on Paraneoplastic Neurological Syndrome and Autoimmune Encephalitis, Hospices Civils de Lyon , 69677, Lyon , France
8. Institut MeLiS INSERM U1314/CNRS UMR 5284, Université Claude Bernard Lyon 1 , 69372 Lyon , France
9. Kepler University Hospital, Department of Neurology, Johannes Kepler University , 4020 Linz , Austria
10. Division of Neuropathology and Neurochemistry, Department of Neurology, Medical University of Vienna , 1090 Vienna , Austria
11. Neurology Service, Hospital Clínic of Barcelona, Biomedical Research Institute (IDIBAPS) , 08036 Barcelona , Spain
12. Catalan Institution for Research and Advanced Studies (ICREA) , 08010 Barcelona , Spain
13. Department of Neurology, University of Pennsylvania , Philadelphia, PA 19104 , USA
14. Spanish National Network for Research on Rare Diseases (CIBERER) , 28029 Madrid , Spain
15. Department of Neurology, University Hospital Zurich , 8091 Zurich , Switzerland
16. Institute of Experimental Immunology, University of Zurich , 8057 Zurich , Switzerland
17. IRCCS Istituto delle Scienze Neurologiche di Bologna, UOC Clinica Neurologica , 40139 Bologna , Italy
18. Dipartimento di Scienze Biomediche e Neuromotorie, Università di Bologna , 40100 Bologna , Italy
19. Department of Neurology, Gifu University Graduate School of Medicine , 501-1194 Gifu , Japan
20. Oxford Autoimmune Neurology Group, Nuffield Department of Clinical Neurosciences, University of Oxford , Oxford OX3 9DU , UK
21. Department of Neurology, Oxford University Hospitals NHS Foundation Trust, John Radcliffe Hospital , Oxford OX3 9DU , UK
22. Neurology Unit, Department of Neurosciences, Biomedicine, and Movement Sciences, University of Verona , 37124 Verona , Italy
23. Department of Neurology, The Walton Centre NHS Foundation Trust , L9 7LJ, Liverpool , UK
24. Department of Neurology, Medical Faculty and University Hospital Düsseldorf, Heinrich Heine University Düsseldorf , 40225 Düsseldorf , Germany
25. Institute of Clinical Neuroscience and Medical Psychology, Medical Faculty and University Hospital Düsseldorf, Heinrich Heine University Düsseldorf , 40225 Düsseldorf , Germany
26. Movement Disorders Center, Neurology Department, Perugia General Hospital and University of Perugia , 06156 Perugia , Italy
27. German Center for Neurodegenerative Diseases (DZNE) Berlin , 10117 Berlin , Germany
28. Department of Laboratory Medicine and Pathology, Mayo Clinic , Rochester, MN 55905 , USA
29. Department of Neurology, Mayo Clinic , Rochester, MN 55905 , USA
30. Department of Microbiology and Immunology, Stanford University School of Medicine , Stanford, CA 94305 , USA
31. Howard Hughes Medical Institute, Stanford University School of Medicine , Stanford, CA 94305 , USA
32. Berlin Center for Advanced Neuroimaging, Charité—Universitätsmedizin Berlin, Corporate Member of Freie Universität Berlin and Humboldt-Universität zu Berlin , 10117 Berlin , Germany