1 Department of Dermatology, Seoul National University Bundang Hospital, Seoul National University College of Medicine, Seongnam, Korea.
2 College of Pharmacy, Chungnam National University, Daejeon, Korea.
3 Department of Pediatrics, Seoul National University College of Medicine, Seoul, Korea.
4 Division of Clinical Epidemiology, Medical Research Collaborating Center, Biomedical Research Institution, Seoul National University Hospital, Seoul, Korea.
5 Department of Dermatology, Seoul National University College of Medicine, Seoul, Korea.
6 Laboratory of Cutaneous Aging and Hair Research, Clinical Research Institute, Seoul National University Hospital, Seoul, Korea.
7 Institute of Human-Environment Interface Biology, Seoul National University, Seoul, Korea.
8 Department of Dermatology, Dongguk University Ilsan Hospital, Goyang, Korea.
9 Department of Preventive Medicine, Seoul National University College of Medicine, Seoul, Korea.
10 Institute of Human-Environment Interface Biology, Seoul National University, Seoul, Korea. kyuhkim@snu.ac.kr.