1 Vejle Hospital (K.S., N.A.); Institute of Molecular Medicine (K.S., M.T.M., N.A.), University of Southern Denmark; Odense University Hospital (S.R.L., M.T., K.B., T.J.S., C.G., J.G., S.T.L.), Denmark; Clinical and Experimental Multiple Sclerosis Research Center and NeuroCure Clinical Research Center (F.P.), Charité-Universitätsmedizin Berlin; Experimental and Clinical Research Center (F.P.), Max Delbrueck Center for Molecular Medicine and Charité-Universitätsmedizin Berlin, Germany; and University of Michigan Medical School (T.J.S.), Ann Arbor.