[1
]
Department of Orthopaedics and Traumatology, Taipei Veterans General Hospital, Taipei,
Taiwan, ROC; Department of Surgery, School of Medicine, National Yang-Ming University,
Taipei, Taiwan, ROC.
[2
]
Department of Statistics, National Taipei University, Taipei, Taiwan, ROC; Department
of Orthopedic Surgery, Wan Fang Hospital, Taipei Medical University, Taipei, Taiwan,
ROC.
[3
]
Division of Medical Imaging for Health Management, Cheng-Hsin General Hospital, Taipei,
Taiwan, ROC.
[4
]
Department of Orthopaedics and Traumatology, Taipei Veterans General Hospital, Taipei,
Taiwan, ROC; Department of Surgery, School of Medicine, National Yang-Ming University,
Taipei, Taiwan, ROC. Electronic address: 1966chiang@gmail.com.