1. Department of Orthopaedic Surgery; Shanghai Key Laboratory of Orthopaedic Implants; Shanghai Ninth People's Hospital; Shanghai JiaoTong University School of Medicine; Shanghai China
2. Department of Neurosurgery; University of Rochester School of Medicine and Dentistry; Rochester NY USA
3. Department of Orthopedics; The General Hospital of Chinese People's Liberation Army; Beijing China
4. Department of Orthopedics; Subei People's Hospital of Jiangsu Province; Clinical Medical College of Yangzhou University; Yangzhou Jiangsu China
5. Department of Toxicity Evaluation; Shanghai Municipal Center for Disease Control and Prevention; Shanghai China