1. Department of Cellular Neurobiology; Brain Research Institute; Niigata University; Niigata Japan
2. Division of Neurobiology and Anatomy; Graduate School of Medical and Dental Sciences; Niigata University; Niigata Japan
3. Department of Anatomy; Faculty of Medicine; Hokkaido University; Sapporo Japan
4. Department of Biochemistry; Graduate School of Medical and Dental Sciences; Niigata University; Niigata Japan