1. From the Department of Neurology (B.S.), Oxford University Hospitals; Department of Clinical Neurology (C.B.), John Radcliffe Hospital Oxford; Oxford Autoimmune Neurology Group (C.B., S.R.I.), Nuffield Department of Clinical Neurosciences University of Oxford; Department of Clinical Neurosciences (T.Y.), Royal Infirmary Edinburgh; Wellcome Centre for Integrative Neuroimaging (I.T.), University of Oxford; Department of Clinical Neurosciences (P.F.), Royal Infirmary of Edinburgh; and Anne Rowling...