1. Department of Dermatology Tokushima University School of Medicine Tokushima Japan
2. Department of Dermatology Tokushima Red Cross Hospital Tokushima Japan
3. Department of Hematology Tokushima Red Cross Hospital Tokushima Japan
4. Department of Dermatology Kurume University School of Medicine Fukuoka Japan
5. Department of Dermatology Osaka City University Graduate School of Medicine Osaka Japan