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