First Department of Orthopedics;
Tangshan Worker’s Hospital Affiliated to Hebei Medical University;
Department of Neurology;
Tangshan Union Medical College Hospital;
Operating Room;
Tangshan Worker’s Hospital Affiliated to Hebei Medical University;
Department of Neurosurgery;
Tangshan Worker’s Hospital Affiliated to Hebei Medical University;
Department of Anesthesiology;
Xingtai People’s Hospital Affiliated to Hebei Medical University;