1 Department of Neurology, St. Josef-Hospital, Ruhr-University Bochum, Germany [email protected].
2 Department of Neurology, St. Josef-Hospital, Ruhr-University Bochum, Germany.
3 Multiple Sclerosis Center, National Center of Neurology and Psychiatry, and Department of Immunology, National Institute of Neuroscience, National Center of Neurology and Psychiatry, Tokyo, Japan.