1. Department of Human Genetics; Yokohama City University Graduate School of Medicine; Yokohama Japan
2. Department of Molecular Neurobiology; Brain Research Institute, Niigata University; Niigata Japan
3. Department of Child Neurology; Nishi-Niigata Chuo National Hospital; Niigata Japan
4. Department of Pediatrics; Showa University School of Medicine; Tokyo Japan
5. Department of Pathology; Brain Research Institute, University of Niigata; Niigata Japan
6. Department of Biochemistry; Yokohama City University Graduate School of Medicine; Yokohama Japan
7. Department of Functional Neurosurgery; Epilepsy Center, Nishi-Niigata Chuo National Hospital; Niigata Japan
8. Division of Neurobiology and Anatomy; Graduate School of Medical and Dental Sciences, Niigata University; Niigata Japan
9. Division of Biochemistry; School of Pharmaceutical Sciences, Kitasato University; Tokyo Japan