[1] Chonnam National University Medical School and Hospital,Department of Pathology
[2] Chonnam National University Medical School and Research Institute of Medical Science,Department of Neurosurgery
[3] Chonnam National University Medical School and Research Institute of Medical Science,Department of Pediatrics
[4] Chonnam National University Medical School and Research Institute of Medical Science,Department of Neurology
[5] Jesus Hospital,Department of Neurosurgery
[6] Ajou University,Department of Brain Disease Research Center
[7] University of British Columbia,Department of Medicine