1. Department of Neurology, North Medical Center Kyoto Prefectural University of Medicine Kyoto Japan
2. Department of Obstetrics and Gynecology, North Medical Center Kyoto Prefectural University of Medicine Kyoto Japan
3. Department of Surgical Pathology, North Medical Center Kyoto Prefectural University of Medicine Kyoto Japan
4. Department of Neurology, Graduate School of Medical Science Kyoto Prefectural University of Medicine Kyoto Japan
5. Department of Neurology National Hospital Organization Maizuru Medical Center Kyoto Japan