1. Department of Pathology; Kyoto Prefectural University of Medicine Graduate School of Medicine; Kyoto Japan
2. Department of Diagnostic Pathology; Kyoto University Graduate School of Medicine; Kyoto Japan
3. Department of Pathology; Osaka National Hospital; Osaka Japan
4. Department of Pathology; Osaka Medical Center of Cancer and Cardiovascular Diseases; Osaka Japan
5. Department of Orthopaedics; Kyoto Prefectural University of Medicine Graduate School of Medicine; Kyoto Japan
6. Department of Orthopaedic Surgery; Osaka Medical Center of Cancer and Cardiovascular Diseases; Osaka Japan
7. Department of Pathology; Osaka University Graduate School of Medicine; Suita Japan
8. Department of Orthopaedic Surgery; Osaka University Graduate School of Medicine; Suita Japan
9. Department of Orthopaedic Surgery; Kyoto University Graduate School of Medicine; Kyoto Japan
10. Department of Orthopedic Surgery; Osaka National Hospital; Osaka Japan
11. Department of Diagnostic Pathology; Osaka City University Graduate School of Medicine; Osaka Japan
12. Department of Orthopaedic Surgery; Osaka City University Graduate School of Medicine; Osaka Japan
13. Department of Pathology; Osaka City General Hospital; Osaka Japan
14. Department of Orthopaedic Surgery; Osaka City General Hospital; Osaka Japan