1. Department of Dermatology Graduate School of Medical Science Kyoto Prefectural University of Medicine Kyoto Japan
2. Department of Surgical Pathology Graduate School of Medical Science Kyoto Prefectural University of Medicine Kyoto Japan
3. Department of Dermatology Gunma University Graduate School of Medicine Maebashi Japan
4. Department of Dermatology Hirosaki University Graduate School of Medicine Hirosaki Japan