1. Department of Dermatology Ilsan Paik Hospital, Inje University College of Medicine Seoul Korea
2. Department of Dermatology Chungnam National University Sejong Hospital, Chungnam National University College of Medicine Sejong Korea
3. Department of Dermatology Gachon University Gil Medical Center, Gachon University College of Medicine Incheon Korea
4. Department of Dermatology Kangbuk Samsung Hospital, Sungkyunkwan University School of Medicine Seoul Korea
5. Department of Dermatology Konyang University Daejeon Korea
6. Department of Dermatology National Medical Center Seoul Korea
7. Department of Dermatology Seoul St Mary’s Hospital, College of Medicine, The Catholic University of Korea Seoul Korea
8. Department of Dermatology Seoul National University Hospital, Seoul National University College of Medicine Seoul Korea
9. Department of Dermatology, Veterans Health Service Medical Center Seoul Korea
10. Department of Dermatology Hallym University Kangnam Sacred Heart Hospital Seoul Korea
11. Department of Dermatology, College of Medicine Hallym University Seoul Korea
12. Department of Dermatology Hanyang University College of Medicine and Hanyang University Seoul Hospital Seoul Korea
13. Department of Dermatology Korea University College of Medicine Seoul Korea