Affiliation: | 1. Orthopaedic Oncology Institute, Tangdu Hospital, Fourth Military Medical University, Xi''an, Shaanxi, China;2. Department of Microsurgery, Affiliated Hospital of Binzhou Medical University, Binzhou, Shandong, China;3. Department of Orthopedics, No. 88 Hospital of PLA, Tai''an, Shandong, China;4. Department of Occupational and Environmental Health, School of Public Health, Fourth Military Medical University, Xi''an, Shaanxi, China |