1. Department of Neurology, Tohoku University Graduate School of Medicine, Sendai, Miyagi, Japan
2. Department of Multiple Sclerosis Therapeutics, Tohoku University Graduate School of Medicine, Sendai, Miyagi, Japan
3. Department of Neurology, National Hospital Organization Miyagi National Hospital, Watari, Miyagi, Japan
4. Division of Neurology, Kobe University Graduate School of Medicine, Kobe, Hyogo, Japan
5. Department of Neurology, Japanese Red Cross Ishinomaki Hospital, Ishinomaki, Miyagi, Japan
6. Department of Pediatrics, Japanese Red Cross Akita Hospital, Akita, Akita, Japan
7. Department of Neuropediatrics, Tokyo Metropolitan Neurological Hospital, Fuchu, Tokyo, Japan
8. Department of Laboratory Medicine and Pathology, Tokyo Metropolitan Neurological Hospital, Fuchu, Tokyo, Japan
9. Department of Neurology, Keio University School of Medicine, Shinjuku-ku, Tokyo, Japan
10. Department of Neurology, the Jikei University School of Medicine, Minato-ku, Tokyo, Japan
11. Department of Neurology, Division of Clinical Medicine, Faculty of Medicine, University of Tsukuba, Tsukuba, Ibaraki, Japan
12. Department of Neuropathology, Institute for Medical Science of Aging, Aichi Medical University, Nagakute, Aichi, Japan
13. Department of Neurology, National Hospital Organization Yonezawa National Hospital, Yonezawa, Yamagata, Japan
14. Department of Neurology, Tohoku Medical and Pharmaceutical University, Sendai, Miyagi, Japan
15. Department of Pathology, National Hospital Organization Sendai Medical Center, Sendai, Miyagi, Japan
16. Department of Neuroimmunology, Center for Brain Research, Medical University of Vienna, Vienna, Austria
17. Department of Multiple Sclerosis Therapeutics, Fukushima Medical University, Fukushima, Fukushima, Japan