1 Clinical Medicine, School of Medicine, University of Electronic Science and Technology of China, Chengdu, Sichuan Province, China.
2 Anesthesiology Department, Sichuan Provincial People's Hospital, University of Electronic Science and Technology of China, Chengdu, Sichuan Province, China.
3 Anesthesiology Department, Sichuan Provincial People's Hospital, University of Electronic Science and Technology of China, Chengdu, Sichuan Province, China. Electronic address: [email protected].