1. Department of Clinical Neuroscience; Institute of Health Biosciences; The University of Tokushima Graduate School; Tokushima Japan
2. Department of Neurological Intractable Disease Research; Kagawa University School of Medicine; Kagawa Japan
3. Department of Neurology; Kyoto University Graduate School of Medicine; Kyoto Japan
4. Department of Neurology; Kansai Medical University; Osaka Japan
5. Department of Human Pathology; Institute of Health Biosciences; The University of Tokushima Graduate School; Tokushima Japan
6. Department of Epidemiology; Research Institute for Radiation Biology and Medicine; Hiroshima University; Hiroshima Japan
7. Department of Neurology; Itsuki Hospital; Tokushima Japan
8. Department of Neurology; Wakayama Medical University; Wakayama Japan