〇Mitsuharu Kodaka¹, Junko Ichikawa¹, Kazuyoshi Ando¹, Keiko Nishiyama¹, Takaaki Ito¹, Makiko Komori¹ (1. Tokyo Women's Medical University Medical Center East)

〇Yoshiko Osada¹, Mitsuharu Kodaka¹, Keiko Okamura¹, Takahito Marubuchi¹, Takaaki Itou¹, Makiko Komori¹ (1. Tokyo Women's Medical University Medical Centor East)

〇Rui Terada¹, Toshiyuki Ikeda¹, Hitoshi Okazaki¹ (1. The university of Tokyo Hospital)

〇Kaori Tsuchiya¹, Jun Ariyama², Hideyuki Nakagawa³, Yuki Ichikawa¹, Daisuke Sakai⁴, Akira Kitamura¹ (1. Department of Anesthesiology Saitama Medical University International Medical Center, 2. Department of Anesthesiology International University of Health and Welfare Hospital, 3. Department of Anesthesiology Red Cross Society Nagano Hospital , 4. Department of Anesthesiology Chibanishi General Hospital)

〇Yasuhisa Okamoto¹ (1. Ootakanomori Hospital)

〇Junichi Saito¹, Satoko Noguchi², Masato Kitayama³, Hiroshi Hashimoto⁴, Tetsuya Kushikata¹, Kazuyoshi Hirota¹ (1. Department of Anesthesiology, Hirosaki University Graduate School of Medicine, 2. Department of Anesthesiology, Hirosaki University Medical School and Hospital, 3. Division of Surgical Center, Hirosaki University Medical School and Hospital, 4. Department of Anesthesiology, Odate Municipal General Hospital)