Vol. 25, No. 2, 2013 249 Received February 28, 2012, Revised May 16, 2012, Accepted for publication August 5, 2012 Corresponding author: Jeong Deuk Lee, Department of Dermatology, Incheon St. Mary’s Hospital, School of Medicine, The Catholic University of Korea, 56 Dongsu-ro, Bupyeong-gu, Incheon 403-720, Korea. Tel: 82-32-280-5100, Fax: 82-32-506-9514, E-mail: leejd@ olmh.cuk.ac.kr This is an ...