[1] Nagoya University Graduate School of Medicine,Department of Neurosurgery
[2] National Cancer Center Hospital,JCOG (Japan Clinical Oncology Group) Data Center/Operations Office
[3] Cancer Institute Hospital,Radiation Oncology Department
[4] Saitama Medical University International Medical Center,Department of Neuro
[5] National Cancer Center Hospital,Oncology/Neurosurgery
[6] Tokyo Women’s Medical University,Department of Neurosurgery and Neuro
[7] Nakamura Memorial Hospital,Oncology
[8] Iwate Medical University,Department of Neurosurgery
[9] Kumamoto University Graduate School of Medicine,Department of Neurosurgery
[10] Yamagata University Graduate School of Medicine,Department of Neurosurgery
[11] Kyorin University Faculty of Medicine,Department of Neurosurgery
[12] Shizuoka Cancer Center,Department of Neurosurgery
[13] Hiroshima University,Department of Neurosurgery
[14] Graduate School of Biomedical and Health Sciences,Department of Neurosurgery
[15] Hiroshima University Hospital,Department of Neurosurgery
[16] Ehime University Graduate School of Medicine,Department of Clinical Oncology & Neuro
[17] Chiba University Graduate School of Medicine,oncology Program
[18] Kurume University Graduate School of Medicine,Department of Neurosurgery
[19] Hokkaido University Graduate School of Medicine,Department of Neurosurgery
[20] University of Tsukuba,Department of Neurosurgery
[21] Keio University School of Medicine,Department of Neurosurgery
[22] The University of Tokyo Hospital,Department of Neurosurgery, Faculty of Medicine
[23] Nagasaki University Graduate School of Medicine,Department of Neurosurgery
[24] Kagoshima University Graduate School of Medical and Dental Sciences,Department of Neurosurgery
[25] Tohoku University Graduate School of Medicine,Department of Neurosurgery
[26] Kitasato University School of Medicine,Department of Neurosurgery
[27] Tokyo Metropolitan Cancer and Infectious Disease Center Komagome Hospital,Department of Neurosurgery
[28] Osaka University Graduate School of Medicine,Department of Neurosurgery
[29] Kitano Hospital,Department of Neurosurgery
[30] Kansai Medical University,Department of Neurosurgery
[31] Oita University Faculty of Medicine,Department of Neurosurgery
[32] Nihon University Graduate School of Medicine,Department of Neurosurgery
[33] Kyoto University Graduate School of Medicine,Department of Neurosurgery
[34] Hirosaki University Graduate School of Medicine,Department of Neurological Surgery
[35] Kyushu University,Department of Neurosurgery