1. Department of Pathology; Nagasaki University School of Medicine; Graduate School of Biomedical Sciences; 1-12-4 Sakamoto Nagasaki 852-8523 Japan
2. Department of Plastic and Reconstructive Surgery; Nagasaki University School of Medicine; Graduate School of Biomedical Sciences; 1-12-4 Sakamoto Nagasaki 852-8523 Japan