1. Institute of Clinical Medicine, National Yang-Ming University, Taipei 11221, Taiwan
2. Division of Orthopaedic Trauma, Department of Orthopaedics and Traumatology, Taipei Veterans General Hospital, Taipei 11217, Taiwan
3. Department of Pathology and Laboratory Medicine, Taipei Veterans General Hospital, Taipei 11217, Taiwan
4. Department of Surgery, National Yang-Ming University, Taipei 11221, Taiwan
5. Department of Orthopaedics and Traumatology, Taipei Veterans General Hospital, Taipei 11217, Taiwan
6. Department of Medical Research, Taipei Veterans General Hospital, Taipei 11217, Taiwan