^○Young-Rock Ha, Young-Geun Lee, Jung-Hwan Ahnn (Department of Emergency Medicine, Bundang Jesaeng Hospital, Korea)

^○Tae-Yop Kim¹, Gayon Yu¹, Eugene Jung¹, Nazri Muhammad¹, Woon-Seok Kang¹, Yoon Hee Kim² (1. Department of Anesthesiology, Konkuk University Medical Center, Korea, 2. Department of Anesthesiology, Chungnam National University Hospital, Korea)

^○Jin Jeon¹, Younsuck Koh², Chae-Man Lim², Sang-Bum Hong² (1. Department of Intensive Care Medicine, Asan Medical Center, Korea, 2. Department of Pulmonology & Intensive Care Medicine, Asan Medical Center, Korea)

^○Masatake Kobayashi¹, Kunihiko Teraoka², Yoichi Iwasaki², Masataka Watanabe¹, Kenji Takazawa², Akira Yamashina¹ (1. The Department of Cardiology, Tokyo Medical University, Tokyo, Japan, 2. The Department of Cardiology, Tokyo Medical University Hachioji Medical Center, Tokyo, Japan)