Affiliation: | Department of Traumatology, Chongqing Emergency Medical Center,Department of Traumatology, Chongqing Emergency Medical Center,Department of Traumatology, Chongqing Emergency Medical Center,Department of Traumatology, Chongqing Emergency Medical Center,Department of Traumatology, Chongqing Emergency Medical Center,Department of Traumatology, Chongqing Emergency Medical Center,Department of Traumatology, Chongqing Emergency Medical Center,Department of Traumatology, Chongqing Emergency Medical Center and Department of Traumatology, Chongqing Emergency Medical Center |