1. Department of Orthopedics, Taoyuan General Hospital, Ministry of Health and Welfare, Taoyuan, Taiwan, ROC
2. Institute of Medical Sciences, National Defense Medical Center, Taipei, Taiwan, ROC
3. Department of Orthopedics and Joint Reconstruction, Taipei Veterans General Hospital, Taipei, Taiwan, ROC
4. Orthopedic Department of Medicine, National Yang Ming Chiao Tung University, Taipei, Taiwan, ROC
5. Therapeutical and Research Center of Musculoskeletal Tumor, Taipei Veterans General Hospital, Taipei, Taiwan, ROC