[1] Shantou University Medical College,Department of Oncology
[2] Graduate Collaborative Training Base of The First People’s Hospital of Xiangtan City,Department of Anesthesiology
[3] Hengyang Medical School,Department of Anesthesiology
[4] University of South China,undefined
[5] Royallee Cancer Hospital,undefined
[6] The First Affiliated Hospital of Shantou University Medical College,undefined