1. Department of Orthopaedic Surgery Nagoya Memorial Hospital Nagoya Japan
2. Department of Rehabilitation Medicine Nagoya University Hospital Nagoya Japan
3. Division of Orthopedic Surgery National Cancer Center Hospital Tokyo Japan
4. Department of Orthopedic Surgical Oncology Cancer Institute Hospital Japanese Foundation for Cancer Research Tokyo Japan
5. Department of Orthopedics Graduate School of Medical Sciences Kyushu University Fukuoka Japan
6. Division of Orthopedic Surgery Graduate School of Medical and Dental Sciences Niigata University Niigata Japan
7. Division of Orthopedic Surgery Chiba Cancer Center Chiba Japan
8. Department of Orthopaedic Surgery Kanazawa University Graduate School of Medical Sciences Kanazawa Japan
9. Department of Orthopedic Surgery Aichi Cancer Center Hospital Nagoya Japan
10. Department of Orthopaedic Surgery Osaka University Graduate School of Medicine Suita Osaka Japan
11. Department of Orthopaedic Oncology and Surgery International Medical Center Saitama Medical University Hidaka Saitama Japan
12. Department of Orthopedic Surgery Osaka Medical and Pharmaceutical University Osaka Japan
13. Department of Orthopaedic Surgery Gifu University Gifu Japan
14. Department of Orthopedic Surgery Kyorin University Tokyo Japan
15. Department of Orthopaedics Graduate School of Medical Science Kyoto Prefectural University of Medicine Kyoto Japan
16. Department of Orthopaedic Surgery Teikyo University School of Medicine Tokyo Japan