[1] Division of Pediatric Neurosurgery and Clinical Research Institute,
[2] Seoul National University Hospital and Neuroscience Research Institute,undefined
[3] SNUMRC,undefined
[4] 28 Yongon-dong,undefined
[5] Chongno-gu,undefined
[6] Seoul 110-744,undefined
[7] Korea,undefined
[8] Department of Pediatrics,undefined
[9] Seoul National University Children’s Hospital,undefined
[10] 28 Yongon-dong,undefined
[11] Chongno-gu,undefined
[12] Seoul 110-744,undefined
[13] Korea,undefined
[14] Division of Pediatric Radiology,undefined
[15] Seoul National University Children’s Hospital,undefined
[16] 28 Yongon-dong,undefined
[17] Chongno-gu,undefined
[18] Seoul 110-744,undefined
[19] Korea,undefined
[20] Departments of Nuclear Medicine and Internal Medicine,undefined
[21] Seoul National University Hospital,undefined
[22] 28 Yongon-dong,undefined
[23] Chongno-gu,undefined
[24] Seoul 110-744,undefined
[25] Korea,undefined
[26] Neural Systems Research,undefined
[27] 61-3 Yoido-dong,undefined
[28] Yungdengpo-gu,undefined
[29] Seoul 150-010,undefined
[30] Korea,undefined
[31] Division of Pediatric Neurosurgery,undefined
[32] Seoul National University Children’s Hospital,undefined
[33] 28 Yongon-dong,undefined
[34] Chongno-gu,undefined
[35] Seoul 110-744,undefined
[36] Korea Tel.: +82-2-7602350 Fax: +82-2-7473648,undefined