1. Institute of Digital Medicine, Biomedical Engineering College; Third Military Medical University; Chongqing China
2. Information Management Department; Third Military Medical University; Chongqing China
3. Department of Orthopedic, Daping Hospital; Third Military Medical University; Chongqing China
4. Department of Radiology, Xinan Hospital; Third Military Medical University; Chongqing China
5. Department of Anatomy, Division of Surgical Specialties; University Medical Center Utrecht; Utrecht The Netherlands