Sung-Hoon Kim,Hwa-Mi Lee,Eun-Ha Suk,Jai-Hyun Hwang (Department of Anesthesiology and Pain Medicine, University of Ulsan College of Medicine, Korea)

Akihito Tampo,Akihiro Suzuki,Daisuke Kawata,Naohiro Kokita,Satoshi Fujita (Department of Emergency Medicine, Asahikawa Medical University, Japan)

Norihiko Tsuboi¹,Takashi Muguruma¹,Chiaki Toida¹,Masashi Miyamoto¹,Nao Nishimura¹,Noriko Morimoto² (1.Division of Acute and Critical Care, National Medical Center for Children and Mothers, Japan 2.Division of Otorhinolaryngology, National Medical Center for Children and Mothers, Japan)

Jong-Yeon Park¹,Byeong Yeon Yu¹,Song Jo¹,Sung Soo Lee¹,Young Sin Kim¹,Sun Hee Kim¹,Oh Youn Kim¹,Youn Hee Kang² (1.Department of Nursing, Ewha Womans University Mokdong Hospital, Korea 2.Division of Nursing Science, Ewha Womans University, Korea)

Hiroshi Okamoto¹,Takashi Fujihara²,Aiko Oka³,Toshio Fukuoka¹ (1.Department of Emergency Medicine, Kurashiki Central Hospital, Japan 2.Department of Otolaryngology, Ehime University Hospital, Japan 3.Department of Otolaryngology, Kurashiki Central Hospital, Japan)

Hideyuki Mouri,Michio Nagashima,Hiroshi Koyama,Tetsuya Komuro,Tetsu Ohnuma,Yusuke Iizuka,Tomoyuki Masuyama,Mizuki Sato,Masamitsu Sanui (Department of Anesthesiology and Critical Care, Jichi Medical University Saitama Medical Center, Japan)

Jung-Wan Yoo¹,Chae-Man Lim¹,Ara Synn¹,Je Hyung Kim²,Sang Bum Hong¹,Younsuck Koh¹ (1.Department of Pulmonary and Critical Care Medicine, College of Medicine, University of Ulsan, Asan Medical Center, Korea 2.Department of Pulmonary Medicine, Korea University, College of Medicine, Korea)