1. Department of Dermatology, College of Medicine, The Catholic University of Korea, Seoul, Korea.
2. Department of Dermatology, College of Medicine, Kyunghee University, Seoul, Korea.
3. Department of Dermatology, Hanyang University College of Medicine, Seoul, Korea.
4. Department of Dermatology, Soonchunhyang University College of Medicine, Bucheon, Korea.
5. Department of Dermatology and Cutaneous Biology Research Institute, Yonsei University College of Medicine, Seoul, Korea.
6. Department of Dermatology, CHA University College of Medicine, Seongnam, Korea.
7. Department of Dermatology, National Medical Center, Seoul, Korea.
8. Yonsei Star Skin and Laser Clinic, Seoul, Korea.
9. Department of Dermatology, Hallym University College of Medicine, Seoul, Korea.
10. CNP Skin Clinic, Seongnam, Korea.
11. Department of Dermatology, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Korea.
12. Department of Dermatology, Konkuk University School of Medicine, Seoul, Korea.