1. Department of Neurosurgery, Graduate School of Medical and Dental Sciences, Kagoshima University
2. Department of Pathology, Graduate School of Medical and Dental Sciences, Kagoshima University
3. Department of Neurosurgery, Graduate School of Medical Sciences, Kyushu University
4. Department of Neurosurgery, University of Occupational and Environmental Health
5. Center for Human Genome and Gene Analysis, Kagoshima University Hospital