From the Nuffield Department of Clinical Neurosciences (M.M.N., E.C., M.W., J.R., J.G., J.K., J.M.N., F.C., G.C.D., A.V., J.P., P.W., M.I.L.), John Radcliffe Hospital, University of Oxford, UK; Departments of Neurology (I.N., Y.T., H.K.) and Multiple Sclerosis Therapeutics (T.M., K.F.), Tohoku University Graduate School of Medicine, Sendai, Japan; Department of Clinical Neurology (F.S.), Hospital de São Marcos, Braga; and Department of Clinical Neurology (A.M.-d.-S., M.E.S.), Hospital Geral Santo... (At 2016-01-05)