[1] Nagoya Univ, Grad Sch Med, Dept Neurosurg, 65 Tsurumai Co,Showa Ku, Nagoya, Japan
[2] JCOG Data Ctr, Natl Canc Ctr Hosp, Operat Off, 5-1-1 Tsukiji,Chuo Ku, Tokyo, Japan
[3] Univ Tsukuba Hosp, Dept Neurosurg, 2-1-1 Amakubo, Tsukuba, Japan
[4] Hokkaido Univ, Fac Med, Dept Neurosurg, North 15,West 7,Kita Ku, Sapporo, Japan
[5] Kumamoto Univ, Grad Sch Med Sci, Dept Neurosurg, 1-1-1,Honjo,Chuo Ku, Kumamoto, Japan
[6] Yokohama City Univ, Dept Neurosurg, 3-9 Fukuura, Kanazawa, Yokohama, Japan
[7] Kobe Univ Hosp, Dept Neurosurg, 7-5-1 Kusunoki Cho,Chuo Ku, Kobe, Japan
[8] Okayama Univ, Fac Med Dent & Pharmaceut Sci, Dept Neurol Surg, 2-5-1 Shikata Cho,Kita Ku, Okayama, Japan
[9] Med Univ Int Med Ctr, Dept Neurosurg Neurooncol, 1397-1 Yamane,Hidaka, Saitama, Saitama, Japan
[10] Kitasato Univ, Dept Neurosurg, Sch Med, 1-15-1,Minami Ku,Sagamihara, Kitasato, Japan
[11] Kyorin Univ, Fac Med, Dept Neurosurg, 6-20-2 Shinkawa, Tokyo, Japan
[12] Tokyo Womens Med Univ, Dept Neurosurg, 8-1 Kawada-Cho,Shinjuku Ku, Tokyo, Japan
[13] Chiba Univ, Grad Sch Med, Dept Neurol Surg, 1-8-1 Inohana,Chuou Ku, Chiba, Japan
[14] Niigata Univ, Brain Res Inst, Dept Neurosurg, 1-757 Asahimachi Dori,Chuo Ku, Niigata, Japan
[15] Osaka Univ, Grad Sch Med, Dept Neurosurg, 2-2 Yamadaoka,Suita, Osaka, Japan
[16] Hirosaki Univ, Grad Sch Med, Dept Neurosurg, Zaifu Cho 5, Hirosaki, Japan
[17] Natl Canc Ctr, Dept Neurosurg & Neurooncol, 5-1-1 Tsukiji,Chuo Ku, Tokyo, Japan
[18] Ehime Uunivers, Sch Med, Dept Neurosurg, 454 Shitsukawa, Toon, Ehime, Japan
[19] Kyoto Univ, Grad Sch Med, Dept Neurosurg, 54 Kawahara Cho,Shogoin Sakyo Ku, Kyoto, Japan
[20] Kagawa Univ, Fac Med, Dept Neurol Surg, 1750-1 Ikenobe,Miki Cho, Kagawa, Japan
[21] Yamagata Univ Hosp, Dept Neurosurg, 2-2-2 Iida-Nishi, Yamagata, Japan
[22] Univ Yamanashi, Dept Neurosurg, 1110 Shimokato, Kofu, Yamanashi, Japan
[23] Kochi Univ, Kochi Med Sch, Dept Neurosurg, Oko Cho,Nanko Ku, Kohasu, Kochi, Japan
[24] Shizuoka Canc Ctr, Dept Neurosurg, Shimonagakubo 1007, Nagaizumi, Shizuoka, Japan
[25] Asahikawa Med Univ, Dept Neurosurg, 2-1-1-1 Midorigaoka Higashi, Asahikawa, Japan
[26] Nara Med Univ, Dept Neurosurg, Shijo Cho 840, Kashihara, Nara, Japan
[27] Nagasaki Univ, Grad Sch Biomed Sci, Dept Neurosurg, 1-7-1 Sakamoto, Nagasaki, Japan
[28] Osaka Int Canc Inst, Dept Neurosurg, 3-1-69, Otemae, Chuo Ku, Osaka, Japan
[29] Iwate Med Univ, Sch Med, Dept Neurosurg, 2-1-1 Idai Dori, Shiwa, Iwate, Japan
[30] Miyazaki Univ, Dept Neurosurg, 5200 Kihara Kiyotake, Miyazaki, Japan
[31] Hiroshima Univ Hosp, Dept Neurosurg, 1-2-3 Minami Ku, Kasumi, Hiroshima, Japan
[32] Oita Univ, Fac Med, Dept Neurosurg, 1-1 Idaigaoka Hasama Machi, Yufu, Oita, Japan
[33] Kyoto Prefectural Univ Med, Dept Neurosurg, 465 Kajii Cho,Kawaramachi-Hirokoji,Kamigyo Ku, Kyoto, Japan
[34] Tottori Univ, Fac Med, Dept Brain & Neurosci, Div Neurosurg, 36-1 Nishi Cho, Yonago, Tottori, Japan
[35] Fujita Hlth Univ, Dept Neurosurg, 1-98 Dengakugakubo,Kutsukake Cho, Toyoake, Aichi, Japan
[36] Wakayama Med Univ, Sch Med, Dept Neurol Surg, 811-1 Kimiidera, Wakayama, Japan
[37] Toho Univ, Ohashi Med Ctr, Dept Neurosurg, 2-22-36 Ohashi, Meguro, Tokyo, Japan
[38] Kanazawa Univ, Dept Neurosurg, 13-1 Takara Machi, Kanazawa, Japan
[39] Nihon Univ, Sch Med, Dept Neurol Surg, 30-1 Oyaguchikamicho,Itabashi Ku, Tokyo, Japan
[40] Tokyo Metropolitan Canc & Infect Dis Ctr Komagome, Dept Neurosurg, 3-18-22 Honkomagome,Bunkyo Ku, Tokyo, Japan
[41] Dokkyo Med Univ Hosp, Dept Neurosurg, 880 Kitakobayashi,Mibu Machi, Tochigi, Japan
[42] Med Res Inst Kitano Hosp, Dept Neurosurg, PIIF Tazuke Kofukai, 2-4-20 Ohgimachi,Kita-Ku, Osaka, Japan
[43] Hamamatsu Univ Sch Med, Dept Neurosurg, 1-20-1 Handayama,Higashi Ku, Hamamatsu, Shizuoka, Japan