S Y Moon1, W J Lee1, S-J Lee1, D W Kim1, Y H Jang2. 1. Department of Dermatology, Kyungpook National University School of Medicine, 200, Dong duk-ro, Jung-gu, Daegu, 700-721, Republic of Korea. 2. Department of Dermatology, Kyungpook National University School of Medicine, 200, Dong duk-ro, Jung-gu, Daegu, 700-721, Republic of Korea. yhjang@knu.ac.kr.