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.