1. Musculoskeletal Oncology Service, Osaka International Cancer Institute, Osaka 541‑8567, Japan
2. Department of Orthopedic Surgery, Osaka University Graduate School of Medicine, Suita, Osaka 565‑0871, Japan
3. Department of Clinical Oncology, Osaka International Cancer Institute, Osaka 541‑8567, Japan
4. Cancer Control Center, Osaka International Cancer Institute, Osaka 541‑8567, Japan
5. Musculoskeletal Oncology Service, Osaka International Cancer Institute, Osaka 541‑8567