1. Department of Orthopedic Surgery, The Affiliated Qingdao Central Hospital of Qingdao University, Qingdao, Shandong, China
2. Department of Orthopedic Surgery, The Second Clinical Medical College of Qingdao University, Qingdao, Shandong, China
3. Department of Orthopedic Surgery, Affiliated Hospital of Qingdao University, Qingdao, Shandong, China
4. Department of Oncology, The Affiliated Qingdao Central Hospital of Qingdao University, Qingdao, Shandong, China
5. Department of Oncology, The Second Clinical Medical College of Qingdao University, Qingdao, Shandong, China