1 Department of Dermatology, College of Medicine, The Catholic University of Korea, Seoul, 137-040, South Korea.
2 Departments of Dermatology, Venereology, Allergology and Immunology, Dessau Medical Center, Brandenburg Medical School Theodor Fontane, Dessau, Germany.
3 Department of Dermatology, College of Medicine, The Catholic University of Korea, Seoul, 137-040, South Korea. tykimder@catholic.ac.kr.