1. Department of Clinical Laboratory Kanagawa Cancer Center Yokohama Kanagawa Japan
2. Department of Pathology Kanagawa Cancer Center Yokohama Kanagawa Japan
3. Molecular Pathology and Genetics Division Kanagawa Cancer Center Research Institute Yokohama Kanagawa Japan
4. Department of Musculoskeletal Tumor Surgery Kanagawa Cancer Center Yokohama Kanagawa Japan