1. Division of Pathology; University of Miyazaki Hospital, Faculty of Medicine, University of Miyazaki; Miyazaki Japan
2. Department of Diagnostic Pathology; University of Miyazaki Hospital, Faculty of Medicine, University of Miyazaki; Miyazaki Japan
3. Department of Pathology; University of Miyazaki, Miyazaki, Japan, Faculty of Medicine; Miyazaki Japan
4. Division of Hepato-Biliary-Pancreas Surgery, Department of Surgery; University of Miyazaki, Miyazaki, Japan, Faculty of Medicine; Miyazaki Japan