1. Department of Dermatology, Ajou University School of Medicine, Suwon, Korea.
2. Department of Dermatology, Jeonbuk National University Medical School, Jeonju, Korea.
3. Department of Dermatology and Institute of Hair and Cosmetic Medicine, Yonsei University Wonju College of Medicine, Wonju, Korea.
4. Department of Dermatology, The Catholic University of Korea School of Medicine, Seoul, Korea.
5. Department of Dermatology, Chungbuk National University School of Medicine, Cheongju, Korea.
6. Department of Dermatology, Dong-A University School of Medicine, Busan, Korea.
7. Department of Dermatology, School of Medicine, Kyungpook National University, Daegu, Korea.
8. Department of Dermatology, Pusan National University School of Medicine, Busan, Korea.
9. Department of Dermatology, Kyung Hee University School of Medicine, Seoul, Korea.
10. Department of Dermatology, Korea University College of Medicine, Seoul, Korea.
11. Department of Dermatology, Seoul National University College of Medicine, Seoul, Korea.
12. Department of Dermatology, Sungkyunkwan University School of Medicine, Seoul, Korea.
13. Department of Dermatology, Konkuk University School of Medicine, Seoul, Korea.
14. Department of Dermatology, Dankook University College of Medicine, Cheonan, Korea.
15. Department of Dermatology, University of Ulsan School of Medicine, Seoul, Korea.
16. Department of Dermatology, Yonsei University College of Medicine, Seoul, Korea.
17. Department of Dermatology, Inje University School of Medicine, Busan, Korea.
18. Department of Dermatology, Chung-Ang University College of Medicine, Seoul, Korea.
19. Department of Dermatology, Chungnam National University School of Medicine, Daejeon, Korea.
20. Department of Dermatology, Hallym University College of Medicine, Seoul, Korea.
21. Department of Dermatology, Inha University School of Medicine, Incheon, Korea.