Chongqing Emergency Medical Center, Chongqing 400042, China;
Chongqing Emergency Medical Center, Chongqing 400042, China;
Chongqing Emergency Medical Center, Chongqing 400042, China;
Chongqing Emergency Medical Center, Chongqing 400042, China;
Chongqing Emergency Medical Center, Chongqing 400042, China;
Chongqing Emergency Medical Center, Chongqing 400042, China;
Chongqing Emergency Medical Center, Chongqing 400042, China;