Affiliation: | 1. Department of Anatomic Pathology, Graduate School of Medical Sciences, Fukuoka‐ken, Japan;2. Department of Dermatology, Graduate School of Medical Sciences, Kyushu University, Fukuoka‐ken, Japan;3. Department of Orthopedic Surgery, Graduate School of Medical Sciences, Kyushu University, Fukuoka‐ken, Japan;4. Department of Pediatrics, Graduate School of Medical Sciences, Kyushu University, Fukuoka‐ken, Japan;5. Department of Surgical Pathology, Kumamoto University Hospital, Kumamoto‐ken, Japan;6. Department of Pathology, Osaka City General Hospital, Osaka‐fu, Japan;7. Department of Pathology, Okayama University Hospital, Okayama‐ken, Japan;8. Department of Pathology and Biological Responses, Graduate School of Medicine, Nagoya University, Aichi‐ken, Japan;9. Department of Diagnostic Pathology, Shizuoka Cancer Center, Shizuoka, Japan;10. Division of Orthopedic Oncology, Shizuoka Cancer Center, Shizuoka, Japan |