1. Division of Neurology, Department of Brain and Neurosciences, Faculty of Medicine, Tottori University
2. Department of Neurology, Tokyo Metropolitan Neurological Hospital
3. Division of Neuropathology, Department of Brain and Neurosciences, Faculty of Medicine, Tottori University
4. Department of Neurology, Keio University School of Medicine
5. Department of Neuromuscular Research, National Institute of Neuroscience, National Center of Neurology and Psychiatry