1 Department of Anesthesiology, Sichuan Provincial People's Hospital, University of Electronic Science and Technology of China, Chengdu, Sichuan Province, 610000, China.
2 School of Medical and Life Sciences, Chengdu University of Traditional Chinese Medicine, Chengdu, 610072, China.
3 Department of Anesthesiology, Sichuan Provincial People's Hospital, University of Electronic Science and Technology of China, Chengdu, Sichuan Province, 610000, China. Electronic address: xzyxyzs@hotmail.com.