1. Department of Emergency, Tangdu Hospital, The Fourth Military Medical University, Xi’an, Shaanxi, China
2. Department of Occupational Diseases, Xi’an Central Hospital, Xi’an, Shaanxi, China
3. Department of Pathology, Xing Yuan Hospital of Yulin, Yulin, Shaanxi, China
4. Department of Neurosurgery, The First Hospital of Yulin, Yulin, Shaanxi, China
5. Department of Neurosurgery, Xing Yuan Hospital of Yulin, Yulin, Shaanxi, China