1Cancer Transcriptome Project, National Cancer Center Research Institute, Tokyo, Japan
2Genetics Division, National Cancer Center Research Institute, Tokyo, Japan
3Department of Orthopaedic Surgery, Keio University School of Medicine, Tokyo, Japan
4Department of Dermatology, Tokyo Medical and Dental University, Tokyo, Japan
5Orthopedics Division, National Cancer Center Hospital, Tokyo, Japan
6Pathology Division, National Cancer Center Hospital, Tokyo, Japan
7Department of Surgical Pathology, Sapporo Medical University School of Medicine, Sapporo, Japan