Affiliation: | (1) Department of Biochemistry, Chung-Ang University College of Medicine, 221 Heukseok-dong Dongjak-gu, Seoul, 156-756, Republic of Korea;(2) Department of Dermatology, Seoul National University Bundang Hospital, 300 Gumi-dong, Bundang-gu, Seongnam-si, Kyoungki-do, 463-707, Republic of Korea |