[Wang, Xue; Zhang, Zhijie; Chen, Huayong] Yidu Cent Hosp Weifang, Dept Anesthesiol, Weifang, Shandong, Peoples R China.
[Ma, Chengzhou] Dongcheng St Hosp Linqu, Dept Anesthesiol, Weifang, Shandong, Peoples R China.
[Zhang, Zhiming; Li, Zhiwang] Univ South China, Inst Translat Med, Peoples Hosp Chenzhou 1, Dept Anesthesiol, 102 Luojiajing, Chenzhou 423000, Peoples R China.
[Li, Tao] Univ South China, Inst Translat Med, Peoples Hosp Chenzhou 1, Dept Crit Care Med, 102 Luojiajing, Chenzhou 423000, Peoples R China.