1. Department of Orthopaedic Surgery, Toyohashi Municipal Hospital, Toyohashi, Aichi, Japan
2. Department of Hematology and Oncology, Toyohashi Municipal Hospital, Toyohashi, Aichi, Japan
3. Department of Diagnostic Pathology, Toyohashi Municipal Hospital, Toyohashi, Aichi, Japan
4. Department of Orthopedic Surgery, Toyohashi Municipal Hospital, Toyohashi, Aichi, Japan