1. Department of Dermatology Saitama Medical University Saitama Japan
2. Department of Pathology Saitama Medical University International Medical Center Saitama Japan
3. Department of Skin Oncology/Dermatology Saitama Medical University International Medical Center Saitama Japan
4. Department of Pathology Saitama Medical University Saitama Medical Center Saitama Japan
5. Department of Dermatology Saitama Medical University Saitama Medical Center Saitama Japan
6. Department of Pathology Saitama Medical University Saitama Japan
7. Department of Dermatologic Oncology National Cancer Center Hospital Tokyo Japan