1. Department of Dermatology of Korean Medicine, College of Korean Medicine, Kyung Hee University, No. 149 Sangil-dong, Gangdong-gu, Seoul 134-727, Republic of Korea
2. Graduate School of East-West Medical Science, Kyung Hee University, Yongin, Gyeonggi-Do 446-701, Republic of Korea
3. Kyung Hee Center for Clinical Research and Drug Development, Kyung Hee University, 1 Hoegidong, Dongdaemungu, Seoul 130-701, Republic of Korea
4. Department of Preventive Medicine, Graduate School of Korean Medicine, Kyung Hee University, Seoul 130-701, Republic of Korea