1. Department of Neurosurgery Shanghai Ninth People's Hospital Affiliated to Shanghai Jiao Tong University School of Medicine Shanghai China
2. Department of Neurosurgery Huashan Hospital of Fudan University Shanghai China
3. Department of Oral Pathology Shanghai Ninth People’s Hospital Affiliated to Shanghai Jiao Tong University School of Medicine Shanghai China
4. Department of Orthopaedic Surgery Shanghai Key Laboratory of Orthopaedic Implants Shanghai Ninth People’s Hospital Shanghai Jiao Tong University School of Medicine Shanghai China