〇Midori Ohashi¹, Tomoharu Shakuo¹, Hanae Awakura¹, Tomoko Fujii¹, Katsunori Oe¹, Makoto Kosaka¹ (1. Showa University Northern Yokohama Hospital)

〇Saiko Eguchi¹, Yoshiomi Kusakabe², Masaaki Asamoto², Ryo Orii³, Yoshitsugu Yamada² (1. Department of Anesthesiology, Tokyo Metropolitan Geriantric Hospital and Institute of Gerontology, 2. Department of Anesthesiology and Pain relief Center, The University of Tokyo Hospital, 3. Department of Anesthesiology, The University of Tokyo, The Institute of Medical Science)

〇Taketo Shinoda^1,2, Teruyuki Obata², Satoshi Higuchi², Yuko Hasegawa², Yuto Kuwasako² (1. Sagamidai Hospital, 2. Showa University Fujigaoka Hospital)

〇Mio Oshimizu², Yusuke Nagamine¹, Takesi Nomura³, Yusuke Mizuno¹, Takahisa Gotoh² (1. Yokohama city university hospital, 2. Yokohama city university medical center, 3. Tokyo women's medical university)

〇Takayuki Yamada¹, Masato Kijima¹, Rika Fujii¹, Makoto Sano¹, Kokujou Hayama¹, Rikako Ezawa¹ (1. Japanese Red Cross Narita Hospital)

〇Yukino Iwasawa¹, Miki Matsui¹, Katsuhisa Seto¹, Mai Yamamoto¹, Yuko Kondo¹, Takahiro Suzuki¹ (1. Nihon University School of Medicine, Department of Anesthesiology)