1 Department of Dermatology, Seoul National University College of Medicine, Seoul, Republic of Korea; Institute of Human-Environment Interface Biology, Medical Research Center, Seoul National University, Seoul, Republic of Korea; Laboratory of Cutaneous Aging and Hair Research, Biomedical Research Institute, Seoul National University Hospital, Seoul, Republic of Korea.
2 Department of Dermatology, Seoul National University College of Medicine, Seoul, Republic of Korea; Institute of Human-Environment Interface Biology, Medical Research Center, Seoul National University, Seoul, Republic of Korea; Laboratory of Cutaneous Aging and Hair Research, Biomedical Research Institute, Seoul National University Hospital, Seoul, Republic of Korea. Electronic address: jhchung@snu.ac.kr.