1. Department of Dermatology Ajou University School of Medicine Suwon Korea
2. Department of Dermatology School of Medicine Kyung Hee University Seoul Korea
3. Department of Dermatology Kangdong Sacred Heart Hospital Hallym University College of Medicine Seoul Korea
4. Department of Dermatology Seoul National University Bundang Hospital Seoungnam Korea
5. Department of Dermatology Pusan National University School of Medicine Pusan Korea
6. Department of Dermatology Inha University School of Medicine Incheon Korea
7. Department of Dermatology Eunpyeong St. Mary's Hospital Seoul Korea