1. Department of Diagnostic Pathology; Kuma Hospital; Kobe; Japan
2. Department of Surgery; Kuma Hospital; Kobe; Japan
3. Department of Pathology and Laboratory Medicine; Kanazawa Medical University; Kanazawa; Japan
4. Department of Diagnostic Pathology; Faculty of Medicine; Oita University; Oita; Japan
5. Department of Anatomic and Diagnostic Pathology; Dokkyo University School of Medicine; Mibu; Japan