1. Department of Neurology, Sapporo Medical University School of Medicine, Japan
2. Department of Systems Neuroscience, Sapporo Medical University School of Medicine, Japan
3. Department of Neurology, National Hospital Organization Minami Kyoto Hospital, Japan
4. Kyoto Konoe Rehabilitation Hospital, Japan
5. Department of Medicine (Neurology and Rheumatology), Shinshu University School of Medicine, Japan
6. Institute for Biomedical Sciences, Shinshu University, Japan
7. Tokyo Metropolitan Institute of Medical Science, Japan
8. Department of Neuromuscular Research, National Institute of Neuroscience, and Department of Genome Medicine Development, Medical Genome Center, National Center of Neurology and Psychiatry, Japan