1. Department of Dermatology; Kangbuk Samsung Hospital; Sungkyunkwan University School of Medicine; Seoul; Korea
2. Department of Life Science; College of Natural Science; Sogang University; Seoul; Korea
3. College of Pharmacy; Dongguk University; Seoul; Korea
4. Clean up Skin Clinic; Seoul; Korea
5. Department of Biotechnology; College of Biomedical and Health Science; Konkuk University, Chungju-City, Korea