About Kazumata, Ken
About Department of Neurosurgery, Hokkaido University Graduate School of Medicine
About Terasaka, Shunsuke
About Department of Neurosurgery, Hokkaido University Graduate School of Medicine
About Houkin, Kiyohiro
About Department of Neurosurgery, Hokkaido University Graduate School of Medicine
About Kamiyama, Hiroyasu
About Sapporo Teishinkai Hospital
About Ishikawa, Tatsuya
About Akita Blood Vessel and Research Institute
About Nakamura, Toshitaka
About Sapporo Azabu Neurosurgical Hospital
About Neurosurgical Review
About ImPACT