1. Department of Dermatology, St Vincent’s Hospital, College of Medicine, The Catholic University of Korea, Seoul, Korea
2. Department of Dermatology, 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. Drs Woo and Hann’s Skin Center, Seoul, Korea
6. YK Park Yoon Kee’s Dermatology Clinic, Seoul, Korea
7. Department of Dermatology, School of Medicine, Kyung Hee University, Seoul, Korea
8. Department of Dermatology, Cha University Bundang Cha Medical Center School of Medicine, Bundang, Korea
9. Department of Dermatology, Soon Chun Hyang University School of Medicine, Bucheon, Korea
10. Department of Dermatology, SungKyunKwann University School of Medicine, Seoul, Korea
11. Department of Dermatology, Dong-A University School of Medicine, Busan, Korea
12. Department of Dermatology, Bucheon St Mary’s Hospital, College of Medicine, The Catholic University of Korea, Seoul, Korea
13. Department of Dermatology, School of Medicine, Chungnam National University, Daejeon, Korea