1. Department of Orthopaedic Surgery, Peking Union Medical College Hospital Chinese Academy of Medical Sciences and Peking Union Medical College Beijing China
2. National Engineering Laboratory for Highway Maintenance Equipment Chang'an University Xi'an China
3. Chinese People's Liberation Army Strategic Support Force Characteristic Medical Center Beijing China
4. Department of Orthopedic Surgery, the First People's Hospital of Yunnan Province, the Affiliated Hospital of Kunming University of Science and Technology, the Key Laboratory of Digital Orthopaedics of Yunnan Provincial Kunming China
5. Department of Spine Surgery Beijing Jishuitan Hospital Beijing China