1. Trauma Center, Jinan Central Hospital Affiliated to Shandong First Medical University
2. Department of Neurosurgery, Peking University International Hospital, Beijing, People’s Republic of China
3. Department of Orthopedics, The Third Affiliated Hospital of Shandong First Medical University, Jinan, Shandong
4. Department of Oncology, Jinan Central Hospital Affiliated to Shandong First Medical University