382 Ann Dermatol Received October 9, 2012, Accepted for publication October 18, 2012 Corresponding author: Young Min Park, Department of Dermatology, Seoul St. Mary’s Hospital, The Catholic University of Korea College of Medicine, 222 Banpo-daero, Seocho-gu, Seoul 137-701, Korea. Tel: 82-2-2258-6223, Fax: 82-2-599-9950, E-mail: yymmpark6301@hotmail.com This is an Open Access article distributed...