1. Department of Dermatology; Seoul National University College of Medicine; Seoul Korea
2. Department of Dermatology; Seoul National University Hospital; Seoul Korea
3. Institute of Human-Environment Interface Biology; Medical Research Center; Seoul National University College of Medicine; Seoul Korea
4. III's Dermatology Clinic; Seoul Korea
5. Department of Dermatology; Seoul National University Bundang Hospital; Seongnam-si Gyeonggi-do Korea