[1] Taiyuan & Wujiaqu Peoples Hosp, Shanxi Prov Tumor Hosp, Dept Anesthesiol, Wujiaqu City, Xinjiang, Peoples R China
[2] Chinese Acad Med Sci, Plast Surg Hosp, Dept Anesthesiol, 33 Ba Da Chu Rd, Beijing 100144, Peoples R China
[3] Peking Union Med Coll, 33 Ba Da Chu Rd, Beijing 100021, Peoples R China