378 Ann Dermatol Received July 11, 2012, Revised October 6, 2012, Accepted for publication October 14, 2012 Corresponding author: Dong-Youn Lee, Department of Dermatology, Samsung Medical Center, Sungkyunkwan University School of Medicine, 81 Irwon-ro, Gangnam-gu, Seoul 135-710, Korea.. Tel: 82-2-3410-3543, Fax: 82-2-3410-3869, E-mail: [email protected] This is an Open Access article distributed u...

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