〇Tasuku Oyama¹, Eiji Hashiba², Erika Amanai², Tomoyuki Kudo¹, Hidetomo Niwa¹, Kazuyoshi Hirota¹ (1. Univ. of Hirosaki Department of Anesthesiology, 2. Univ. of Hirosaki Intensive Care Unit)

〇Ko Kakinouchi¹, Yuzo Iseki¹, Yoshie Noji¹, Chie Hanayama¹, Takahiro Hakozaki¹, Tsuyoshi Isosu¹ (1. Department of Anesthesiology Fukushima Medical University )

〇SHUTARO WACHI¹, Yasuyoshi Inagaki², Kenji Yamamoto³, Kazuyoshi Tateoka³, Masaru Yamaki⁴, Takayuki Kunisawa⁵ (1. Nayoro city General Hospital foundation house officcer, 2. Nayoro city General Hospital emergency medicine, 3. Nayoro city General Hospital Anesthesiology, 4. Nayoro city General Hospital Cardiology, 5. Asahikawa Medical University Anesthesiology)

〇kenichi Muroi¹ (1. Sendai cardiovascularcenter)

〇Miyata MIchiko¹, Koishi Wakana¹, Tamura Yuuichirou¹, Kobayashi Takashi¹, Susuki Kenji¹ (1. Iwate Medical University)

〇Kenji Yamamoto¹, Masahiro Tada², Yasuyoshi Inagaki¹, Kazuyoshi Tateoka¹, Takayuki Kunisawa³ (1. Department of Anesthesiology, Nayoro City General Hospital, 2. Department of Anesthesiology, National Hospital Organization Obihiro Hospital, 3. Department of Anesthesiology and Critical Care, Asahikawa Medical University)

〇tatsuya tanekawa¹, hajime takahashi¹, hiroto nakayama¹ (1. Iwate Prefectural Chubu Hospital)

〇Hiroki Tominaga¹, Maki Aoyama¹, Yoshiko Morimoto¹, Yoshihiro Komura¹ (1. Keiyukai Sapporo Hospital)

〇Seitaro Furukawa¹, Akira Sakai¹, Yusuke Nakano¹, Yuko Aoki¹, Yoko Watanabe¹, Kenji Suzuki¹ (1. iwate-medical-university)

〇KEI HIRAKAWA¹, Yuki Toyama¹, Yosuke Yaguchi², Hajime Iwasaki¹, Takafumi Iida¹, Takayuki Kunisawa¹ (1. Asahikawa Medical University, 2. Municipal Wakkanai hospital)

〇Chiasa Endo¹, Kumi Shimada¹, Shiho Wakahara¹, Yoshihisa Fujita¹, Masahiko Akatsu^1,2, Koichi Nishikawa² (1. Iwaki Kyoritsu General Hospital Anesthesiology, 2. Fukushima Medical University Department of Disaster and Comprehensive Medicine)

〇Chika Ikarashi¹, Kyoko Abe², Toshiaki Nishikawa² (1. omagari kousei medical center, 2. akita university hospital)

〇Yoshiya Ishioka¹, Shunsuke Tachibana¹, Mayu Taguchi¹, Hikaru Inoue¹, Michiaki Yamakage² (1. Department of Anesthesiology, Takikawa Municipal Hospital, 2. Department of Anesthesiology, Sapporo Medical University School of Medicine)

〇Akira Sato¹, Koiti Hanzawa¹, Yuzo Shimadu¹, Hisashi Hattori¹, Akio Konishi¹, Keiiti Kan¹ (1. Southern TOHOKU Research Institute for Neuroscience.Southern TOHOKU General Hospital.)

〇Yuto Onodera¹, Eri Anno¹, Yosiko Onodera¹, Megumi Kanda¹, Hajime Terao², Takayuki Kunisawa¹ (1. Asahikawa Medical University, 2. Asahikawa Pain Clinic hospital)

〇Sayaka Asano¹, Yukitoshi Niiyama², Michiaki Yamakage² (1. Sapporo Gekakinenn Hospital, 2. Sapporo Medical University)

〇Tomohiro Sekine¹, Yasuhiro Endo¹, Tomoko Hayasaka¹, Hiroyuki Anzai¹, Yuko Saito¹, Takahumi Kobayashi¹ (1. Osaki Citizen Hospital)

〇Yukako Imai¹, Hiroshi Komatsu¹ (1. Nakadori General Hospital)

〇sijian tang¹, yuji morimoto² (1. Department of Anesthesiology,Sapporo Central Hospital, 2. Department of Anesthesiology and Critical Care Medicine,Hokkaido University Graduate School of Medicine)

〇saori iseya¹, takashi kobayashi¹, suzuki kenji¹, youko watanabe¹, hiroko miura¹, makiko nii¹ (1. Iwate Medical University Hospital)

〇Yuki Sato¹, Miho Sumiyoshi¹, Kazuhiro Watanabe¹ (1. Aizu Chuo Hospital)

〇Mirei Kubota¹, Anna Matsumoto¹, Junichi Saito¹, Masato Kitayama², Kazuyoshi Hirota¹ (1. Hirosaki University Graduate School of Medicine, Department of Anesthesiology, 2. Hirosaki University Hospital,Department of Surgery)

〇Yurie Hatanaka¹, maiko tomiki¹, kyouko abe¹, toshiaki nishikawa¹ (1. Akita university hospital)

〇Yukiko Kikuchi¹, Yoshifumi Okada¹, Hiroko Miura¹, Chieko Omori¹, Teiji Irimada¹, Masanori Yamauchi² (1. Japanese Red Cross Ishinomaki Hospital, 2. Tohoku University Hospital)

〇Yuma Sato¹, Yukitoshi Niiyama¹, Maiko Honma², Michiaki Yamakage¹ (1. Department of Anesthesiology, Sapporo Medical University, 2. Department of Anesthesiology, Hokkaido Children's General Medical and Rehabilitation Center)

〇Yoshifumi Okada¹, Chieko Oomori¹, Kazuhiro Takahashi¹, Reiko Satou¹, Yukiko Kikuchi¹, Teiji irimada¹ (1. Isinomaki Redcross Hospital)

〇TERUHISA UDAGAWA¹, YUKA AOYAMA¹, HIROKI AOYAMA¹ (1. Iwate Prefectural Isawa hospital)

〇SEIKO MATSUMOTO¹, MITSUYO MATSUDA¹, YOICHI IWASAKI¹ (1. Akita Kousei Medical Center)

〇Soichi Tanaka¹, Iwao Kobayashi¹, Yumi Igarashi¹, Yuusuke Hashidume¹, Asuka Yamamoto¹, Moe Kodama¹, Yukiyo Onuma¹, Fuminori Tobise¹, Mako Aimono¹, Shinzou Sumita¹ (1. Japanese Red Cross Asahikawa Hospital)

〇Yuka Ohigashi¹, Eri Hojo¹, Fumika Sakuraya¹, Atsushi Tsuchiya¹, Hirokatsu Kato¹, Chihoko Matsumura¹ (1. Sapporo-Kosei General Hospital)

〇Noriko Mikami¹, Emi Takahashi¹, Tetsuya Kushikata², Erika Amanai¹, Mitsuru Tonosaki¹, Kazuyoshi Hirota² (1. Department of Anesthesiology, Hirosaki University Hospital, 2. Department of Anesthesiology, Hirosaki University Graduate School of Medicine)

〇Jun Itagaki¹, Eiko Onishi¹, Azusa Haitani¹, Kana Saito¹, Noriko Toda¹, Masanori Yamauchi¹ (1. Tohoku University Hospital)

〇Masumi Inoue¹, Akio Yamagishi², Takayuki Kunisawa¹ (1. Asahikawa Medical University, 2. Moriyama Hospital)

〇Shun Abe¹, Hiroto Suzuki², Ryo Akimoto², Tomofumi Watanabe¹, Kaneyuki Kawamae² (1. Yamagata University Hospital Department of Anesthesiology, 2. Yamagata University Faculty of Medicine Department of Anesthesiology)

〇YUKIKO SETAGAWA¹, SHINJU OBARA¹, SHIORI TANAKA¹, HIDEAKI EBANA¹, TSUYOSHI IMAIZUMI¹, MASAHIRO MURAKAWA¹ (1. Department Of Anesthesiology Fukushima Medical University)

〇KEISUKE AKITA¹, MASAMI DEMURA¹, HIROMITSU MOTOE¹, SATOKI NASU¹, AYUMU ITOU¹, SATOSHI TAKIKAWA¹, TATSUSHI SAITOU¹ (1. HAKODATE CENTRAL GENERAL HOSPITAL)

〇Tokiya Ishida¹, Yoshihumi Kumada¹ (1. Ohta Nishinouchi Hospital)

〇Maho Atsuta¹, Shinichiro Tanahashi¹, Mitsuo Nishimura¹, Johji Arakawa¹, Michiaki Yamakage² (1. JAPANESE RED CROSS KITAMI HOSPITAL, 2. Department of Anesthesiology, Sapporo Medical School of Medicine)

〇NAO YOSHIDA¹, SATORU TANAKA¹ (1. Oji General Hospital)

〇Chihiro Iwata¹, Kenji Yamamoto¹, Masahiro Tada³, Yasuyoshi Inagaki¹, Kazuyoshi Tateoka¹, Takayuki Kunisawa² (1. Nayoro City General Hospital, 2. Asahikawa Medical University Hospital, 3. National Hospital Organization Obihiro Hospital)

〇Masahiro Tada¹, Kazuyoshi Tateoka², Kenji Yamamoto², Yasuyoshi Inagaki², Yuichi Asai¹, Takayuki Kunisawa³ (1. Obihiro National Hospital, 2. Nayoro City General Hospital, 3. Asahikawa Medical University)

〇TAIGA KOMATSU¹ (1. Honjo Dai-ichi hospital Department of Anesthesiology)

〇Hidemi Ishido¹, Tomohiko Sato¹, Kumi Shimada¹, Shiho Wakahara¹, Yoshihisa Fujita¹, Masahiko Akatsu^1,2 (1. Iwaki Kyoritsu General Hospital, 2. Fukushima Medical University Department of Disaster and Comprehensive Medicine)

〇KUNIHIRO ADACHI¹, KEIICHI KAN¹, HISASHI HATTORI¹, AKIO KONISHI¹, YUZO SHIMAZU¹, RIE OTSUKI¹ (1. Southern Tohoku General Hospital)

〇Kazuma Yachi¹, Hiroki Aoyama¹, Yuka Aoyama¹, Kato Yukie¹, Oka Kimura¹, Hideaki Matsui¹ (1. Iwate Prefectural Isawa Hospital)

〇Takashi Shinohara¹, Hajime Iwasaki¹, Kenichi Takahoko¹, Tomoki Sasakawa¹, Takayuki Kunisawa¹ (1. Department of Anesthesiology and Critical Care Medicine,Asahikawa Medical University)

〇Masaya Yabe¹, Kuniko Satou¹ (1. Ogachi central hospital)

〇Yukiko Inoue¹ (1. Osaka Police hospital)

〇Makiko Nii¹, Kenji Suzuki¹, Motoi Kumagai¹, Michiko Miyata¹, Seitaro Furukawa¹, Saori Iseya¹ (1. Iwate Medical University Hospital)

〇Kobayasi Masaaki¹, Kajikawa Ryuji¹, Inamori Masayuki¹ (1. Izumi City Genenal Hospital)

〇Saya Nagata¹, Yukiko Inoue¹, Kouhei Ueda¹, Rie Teranishi¹, Takashi Kita¹ (1. Osaka Police Hospital)

〇KIYOTAKA TANAKA¹, MARIE OKADA¹, YOSUKE KAWAMUKAI¹, SATOSHI SATO¹, SYUJI YAMAMOTO¹, MICHIAKI YAMAKAGE² (1. Department of Anesthesiology,Obihiro Kosei Hospital, 2. Department of Anesthesiology,Sapporo Medical University School of Medicine.)

〇Kohei Ueda¹, Rie Teranishi¹, Takashi Kita¹ (1. Osaka Police Hospital)

〇Moe Kodama¹, Souichi Tanaka¹, Yumi Igarashi¹, Yuusuke Hashidume¹, Asuka Yamamoto¹, Fuminori Tobise¹, Yukiyo Onuma¹, Mako Aimono¹, Iwao Kobayashi¹, Shinzou Sumita¹ (1. Japanese Red Cross Asahikawa Hospital)

〇RIE TERANISHI¹, MINEKO TAKEDA¹, TOMOAKI SHIMIZU¹, TAKASHI KITA¹ (1. Osaka Police Hospital)

〇Tomoyo Sakano¹, Saki Ihara¹, Tomohiro Kiya¹, Mitsuru Uduki¹, Kyoko Yamada² (1. Department of Anesthesia,Tomakomai City Hospital, 2. Department of Obstetrics and Gynecology,Tomakomai City Hospital)

〇Seiichiro Miura¹, Takayuki Toki¹, Takashi Ando¹, Nobuhiro Tanaka¹, Yuji Morimoto¹ (1. Department of anesthesiology and Critical Care Medicine, Faculty of Medicine and Graduate School of Medicine Hokkaido University)

〇Tomoki Hirahata¹, Masahito Omote¹, Yukitoshi Niiyama², Michiaki Yamakage² (1. Hakodate Municipal Hospital, 2. Department of Anesthesiology, Sapporo Medical University School of Medicine)

〇Norikazu Takada¹, Masayuki Nishimura¹ (1. aomori city hospital)

〇Yoshiya Ishioka¹, Tomoe Hoshi², Mayu Taguchi¹, Shunsuke Tachibana¹, Hikaru Inoue¹ (1. Department of Anesthesiology, Takikawa Municipal Hospital, 2. Department of Anesthesiology, Hakodate Municipal Hospital)

〇Daisuke Kawamura¹, Takafumi Iida¹, Yoshiko Onodera¹, Keiya Takahashi¹, Hirotsugu Kanda¹, Tomoki Sasakawa¹, Takayuki Kunisawa¹ (1. Asahikawa Medical University)

〇NOBUO ITOU¹, NIINA MIKAMI¹ (1. KKR SAPPORO MEDICAL CENTER)

〇Mitsuyo Matsuda¹, Go Nagasaki², Yumi Koshimura², Wakana Sato², Sohaku Shigeomi² (1. Department of Anesthesia, Akita Kousei Medical Center, 2. Department of Anesthesia, Akita City Hospital)

〇Naoto Yamada¹, Atsuko Matsuzaki¹, Junichi Saitou¹, Anna Matsumoto¹, Yuki Kinoshita¹, Kazuyoshi Hirota¹ (1. Department of Anesthesiology, Hirosaki University Graduate School of Medicine)

〇Masami Demura¹, Hiromitsu Motoe¹, Keisuke Akita¹, Satoshi Takikawa¹, Tatsushi Saito¹ (1. Hakodate Central General hospital )

〇asuka yamamoto¹, soichi tanaka¹, yumi igarashi¹, yuusuke hashidume¹, moe kodama¹, fuminori tobise¹, yukiyo onuma¹, mako aimono¹, iwao kobayashi¹, shinzou sumita¹ (1. asahikawa red cross hospital)

〇Kanako Takahashi¹, Masanori Watanabe¹, Satoru Tanaka¹ (1. Department of Anesthesiology, Oji General Hospital)

〇Shingo Nishida¹, Yosuke Maeda¹, Takashi Ando¹, Toshihiro Mori¹, Hitoshi Saito¹, Yuji Morimoto¹ (1. Hokkaido University Hospital)

〇HITOSHI MURAKAMI¹, YUUZI MORIMOTO¹, TETUTAROU HASE¹, TAKASI ANDO¹ (1. Hokkaido University Hospital)

〇Shunsuke Okano¹, Ryo Akimoto¹, Kenya Yarimizu¹, Kaneyuki Kawamae¹ (1. Department of Anesthesia, Yamagata University Hospital)

〇shohei ogawa¹, yoshiharu sato¹, kenji suzuki¹ (1. iwate medical university)

〇MAYU TAGUCHI^1,2, SHUNSUKE TACHIBANA^1,2, YASUYUKI TOKINAGA¹, HIKARU INOUE², MICHIAKI YAMAKAGE¹ (1. Department of Anesthesiology,Sapporo Medical University,school of medicine, 2. Department of Anesthesiology,Takikawa City Hospital)

〇MASAHITO OMOTE¹, Shunsuke Tachibana², Tomohiro Chaki³, Hironori Honma³, Michiaki Yamakage³ (1. Hakodate Municipal Hospital, 2. Takikawa Municipal Hospital, 3. Sapporo Medical University Department of Anesthesiology)

〇Toshinori Kasai¹, Takaharu Tokita¹, Naomasa Kimura ¹, Nobuko Nagao¹ (1. Aomori Prefectural Central Hospital)