1. I Dermatology Clinic, Seoul, Korea
2. Department of Dermatology, Severance Hospital, Yonsei University College of Medicine, Seoul, Korea
3. LG Sciencepark, Seoul, Korea
4. Department of Plastic and Reconstructive Surgery, Kangnam Sacred Hospital, Hallym University College of Medicine, Seoul, Korea
5. Department of Plastic and Reconstructive Surgery, Chonnam National University Medical School, Gwangju, Korea
6. Department of Dermatology, Seoul National University Bundang Hospital, Seongnam, Korea
7. Department of Dermatology, Asan Medical Center, Ulsan University College of Medicine, Seoul, Korea