1. The Department of Neurology, Kinki University School of Medicine
2. The Department of Neurology, Sakai Municipal Hospital
3. The Department of Neurology, Tazukekoufukai Kitano Hospital
4. The Fifth Department of Internal Medicine, Hyogo College of Medicine
5. The Department of Neurology, Osaka University School of Medicine
6. The Department of Pharmacology, Ehime University School of Medicine