1. Department of Neurology; Sakai Hospital Kindai University Faculty of Medicine; Sakai Japan
2. Department of Neurology; Kindai University Faculty of Medicine; Osakasayama Japan
3. Department of Neurology; National Hospital Organization Minami-Kyoto Hospital; Joyo Japan
4. Department of Neurology and Geriatrics; Kagoshima University Graduate School of Medical and Dental Sciences; Kagoshima Japan