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 Clinical Research & Medical information, Huons Co., Ltd., Gyeonggi-do, Korea
5. Botanical Drug Research Team, Huons Co., Ltd., Gyeonggi-do, Korea