1. Department of Dermatology; Seoul Paik Hospital, Inje University College of Medicine; Seoul Korea
2. Department of Dermatology; Chung-Ang University College of Medicine; Seoul Korea
3. Department of Dermatology; Myongji Hospital, Seonam University College of Medicine; Goyang Korea
4. Department of Dermatology; Catholic Kwandong University International St. Mary's Hospital; Incheon South Korea
5. R&D Center, Hugel, Inc.; Chuncheon-si Gangwon-do Korea