1. Department of Dermatology; Asan Medical Center; University of Ulsan College of Medicine; 388-1 Pungnapdong Songpagu Seoul 138-736 Korea
2. Department of Pathology; Asan Medical Center; University of Ulsan College of Medicine; 388-1 Pungnapdong Songpagu Seoul 138-736 Korea
3. Department of Oncology; Asan Medical Center; University of Ulsan College of Medicine; 388-1 Pungnapdong Songpagu Seoul 138-736 Korea