^○Yun Hee Kim, Kuen Su Lee, Woon Young Kim, Yoon Sook Lee, Choon Hak Lim (Department of Anaesthesiology and Pain Medicine, Korea University Medical Center, Korea)

^○Shunsuke Otani¹, Benyam Joseph¹, Nathan J. Klingensmith¹, Ching-wen Chen¹, Deena Chihade¹, Zhe Liang¹, Craig Coopersmith^1,2 (1. Department of Surgery, Emory University, USA, 2. Emory Critical Care Center, Emory University, USA)

^○Shota Akabane, Takushiro Ban, Shunsaku Kouriki, Hiroyuki Tanemura, Haruhiro Nakazaki, Masayuki Nakano, Nobuaki Shinozaki (Shonan Fujisawa Tokushukai Hospital, Japan)

^○Tae Sun Ha (Sooncheonhyang University Bucheon Hospital, Division of Critical Care Medicine, Department of General Surgery, Korea)

^○Ryotaro Kato (Itabashi Chuo Medical Center, Japan)

^○Akira Kuriyama¹, Hirokazu Maeda² (1. Emergency and Critical Care Center, Kurashiki Central Hospital, Japan, 2. Department of Emergency Medicine, Sugita Genpaku Memorial Obama Municipal Hospital, Japan)

^○Jeongmin Kim¹, Dain Choi¹, Kyeongyoon Woo¹, Ga Eul Yoo², Myung Sun Yeo², Soo Ji Kim³, Sungwon Na¹ (1. Depar tment of Anesthesiology and Pain Medicine, Yonsei University College of Medicine, Korea, 2. Department of Music Therapy, Graduate School, Ewha University, Korea, 3. Music Therapy Education, Graduate School of Education, Ewha University, Korea)