1. Section of Oncopathology and Regenerative Biology; Department of Pathology; Faculty of Medicine; University of Miyazaki; Miyazaki Japan
2. Department of Anatomy, Ultrastructural Cell Biology; Faculty of Medicine; University of Miyazaki; Miyazaki Japan
3. Department of Surgery; National Hospital Organization Miyazaki Higashi Hospital; Miyazaki Japan
4. Department of Surgery II; Faculty of Medicine; University of Miyazaki; Miyazaki Japan