1. From the Department of Neurology (M.W.H., F.B., D.T., S.G., C.T.), Hannover Medical School, Germany; Department of Neurology (I.A., T.P., K.H., I.K.), St. Josef Hospital, Ruhr University Bochum, Germany; Department of Neurology (L.K.), University of Münster, Germany; Department of Neurology and Institute of Neuroimmunology and MS (INIMS) (V.H., J.-P.S.), University Medical Center Hamburg-Eppendorf, Germany; Aix-Marseille Univ (J.-P.S.), CNRS, CRMBM, UMR 7339, Marseille Cedex, France; APHM (J.-P.S.),...