1. Department of Pathology; Institute of Biomedical and Health Sciences; Hiroshima University; Hiroshima Japan
2. Faculty of Medicine; Hiroshima University; Hiroshima Japan
3. Department of Pathology and Clinical Pathology; Faculty of Veterinary Medicine; South Valley University; Qena Egypt
4. Department of Surgical Oncology; Research Centre for Radiation Casualty Medicine; Research Institute for Radiation Biology and Medicine; Hiroshima University; Hiroshima Japan
5. Pathologic Diagnostic Centre, Inc.; Hiroshima Japan
6. Department of Internal Medicine; Okayama Rosai Hospital; Okayama Japan