526 Ann Dermatol Received May 27, 2013, Revised July 18, 2013, Accepted for publication July 25, 2013 Corresponding author: Abdolkarim Sheikhi, Department of Immunology, Faculty of Medicine, Dezful University of Medical Sciences, Azadegan Main Boulevard, Dezful, Khuzestan 6461945914, Iran. Tel: 98-641-6269733, Fax: 98-641-6269538, E-mail: sheikhi.a@dums.ac.ir This is an Open Access article dist...