〇Chihiro Yakoshi¹, Futoshi Kimura², Takashi Kudo², Maya Ito², Satoko Noguchi², Kazuyoshi Hirota¹(1. Department of anesthesiology, Hirosaki University Graduate School of Medicine, 2. Hirosaki University Hospital)

〇Yuki Nakamori¹, Kyohei Ueno¹, Akihisa Taguchi¹, Masayasu Kitoh¹, Takahiro Shimozono¹, Hiroyuki Mima¹(1. Department of Anesthesiology, Kobe City Medical Center General Hospital)

Tae-Jun Kim¹, 〇Hyungseok Seo¹, Bong Jae Lee¹, Dong-Ok Kim¹(1. Kyung Hee University hospital at Gangdong)

〇HYUNGGON LEE¹, SEONGTAE CHUNG¹, JEONGIL CHOI¹, HONGBEOM BAE¹(1. Chonnam National University, Gwangju, repulbic of Korea )

〇Zhijie Lu¹, Dawei Yu¹, Xuerong Miao¹, Jiao Zhu¹, Mei Zhu¹(1. Third Affiliated Hospital of Second Military Medical University, Shanghai, China)

〇Hyungseok Seo¹, Dong-ok Kim¹, Bong Jae Lee¹, Hong Kyun Kim¹(1. Kyung Hee University hospital at Gangdong)

〇sanghee park¹, Sung Tae Jung¹, Hyung Gon Lee¹, Jia Song¹, Tae Hee Pyun¹, Euna Jang¹(1. Chonnam National University Hospital)

〇Amarjyoti Hazarika¹, Keshav Goyal², Girija Prasad Rath², Parmod Bithal², Ankur Khandelwal²(1. Post Graduate Institute of Medical Education and Research (PGIMER),Chandigarh,India, 2. Critical and intensive care, Neuroanaesthesiology, Jai Prakash Narayan Apex Trauma Center (JPNATC),All India Institute of Medical Sciences ( AIIMS), New Delhi, India )

〇Ramesh Bhattarai¹, Robin Khapung¹(1. Karnali Academy of Health Sciences)