1. Department of Dermatology, St. Vincent’s Hospital, College of Medicine The Catholic University of Korea Seoul Korea
2. Department of Dermatology, Severance Hospital, Cutaneous Biology Research Institute Yonsei University College of Medicine Seoul Korea
3. Department of Dermatology Inha University School of Medicine Incheon Korea
4. Department of Dermatology Ajou University Hospital School of Medicine Suwon Korea
5. Department of Dermatology Dong‐A University School of Medicine Busan Korea
6. Department of Dermatology Chonnam National University School of Medicine Gwangju Korea
7. Department of Dermatology Chungnam National University Hospital Daejeon Korea