1. Department of Dermatology, Pusan National University School of Medicine, Busan, Korea.
2. Department of Dermatology, Incheon St. Mary’s Hospital, College of Medicine, The Catholic University of Korea, Seoul, Korea.
3. Department of Dermatology, Hanyang University College of Medicine, Seoul, Korea.
4. Department of Dermatology, Hallym University Kangnam Sacred Heart Hospital, Hallym University College of Medicine, Seoul, Korea.
5. Department of Dermatology, Chosun University Medical School, Gwangju, Korea.
6. Department of Dermatology, Soonchunhyang University Seoul Hospital, Seoul, Korea.
7. Department of Dermatology, Chungnam National University College of Medicine, Daejeon, Korea.
8. Department of Dermatology, Kyung Hee University College of Medicine, Seoul, Korea.
9. Department of Dermatology, National Medical Center, Seoul, Korea.
10. Department of Dermatology, Seoul National University Hospital, Seoul National University College of Medicine, Seoul, Korea.
11. Department of Dermatology, Gangnam Severance Hospital, Cutaneous Biology Research Institute, Yonsei University College of Medicine, Seoul, Korea.
12. Department of Dermatology, Soonchunhyang University Bucheon Hospital, Bucheon, Korea.
13. Department of Dermatology, Konkuk University School of Medicine, Seoul, Korea.
14. Department of Dermatology, Seoul St. Mary’s Hospital, College of Medicine, The Catholic University of Korea, Seoul, Korea.
15. Department of Dermatology, School of Medicine, Kyungpook National University, Kyungpook National University Hospital, Daegu, Korea.
16. Department of Dermatology, Korea University Guro Hospital, Korea University College of Medicine, Seoul, Korea.
17. Department of Dermatology, Chung-Ang University Gwangmyeong Hospital, Chung-Ang University College of Medicine, Gwangmyeong, Korea.
18. Department of Dermatology, Nowon Eulji Medical Center, Eulji University, Seoul, Korea.
19. Department of Dermatology, Korea University Ansan Hospital, Korea University College of Medicine, Seoul, Korea.