1 Department of Anesthesiology, The First People's Hospital of Chenzhou, The First Affiliated Clinical College, University of Xiangnan, Chenzhou, Hunan, China.
2 Department of Pharmacology, Xiangtan Central Hospital (The Affiliated Hospital of Hunan University), Xiangtan, Hunan, China.
3 Department of Oncology, Graduate Collaborative Training Base of The First People's Hospital of Xiangtan City, Hengyang Medical School, University of South China, Hengyang, Hunan, China.
4 Department of Oncology, The First People's Hospital of Xiangtan City, Xiangtan, Hunan, China.
5 Department of Anesthesiology, Beijing Tsinghua Changgung Hospital, School of Clinical Medicine, Tsinghua University, Beijing, China.