1 Department of Dermatology and Cutaneous Biology Research Institute, Gangnam Severance Hospital, Yonsei University College of Medicine, Seoul, Korea.
2 Department of Dermatology, Yongin Severance Hospital, Yonsei University College of Medicine, Yongin, Korea.
3 Department of Dermatology and Cutaneous Biology Research Institute, Gangnam Severance Hospital, Yonsei University College of Medicine, Seoul, Korea. jhkim074@yuhs.ac.