1. Oxford Autoimmune Neurology Group, Nuffield Department of Clinical Neurosciences, University of Oxford, Oxford OX3 9DU, United Kingdom
2. Department of Medicine Huddinge, Karolinska Institutet, Stockholm 17177, Sweden
3. Department of Neurology, Karolinska University Hospital, Stockholm 17176, Sweden
4. Department of Neurology, John Radcliffe Hospital, Oxford University Hospitals, Oxford OX3 9DU, United Kingdom
5. Department of Statistics, Oxford Protein Informatics Group, University of Oxford, Oxford OX1 3LB, United Kingdom
6. Department of Quantitative Health Sciences, Mayo Clinic, Jacksonville, FL 32224
7. Departments of Neurology and Neuroscience, Mayo Clinic, Jacksonville, FL 32224