1 Center for Research & Training in Skin Diseases & Leprosy [CRTSDL], Tehran University of Medical Sciences [TUMS], No. 415 Taleqani Ave, 1416613675, Tehran, Iran.
2 Center for Research & Training in Skin Diseases & Leprosy [CRTSDL], Tehran University of Medical Sciences [TUMS], No. 415 Taleqani Ave, 1416613675, Tehran, Iran. firozali@tums.ac.ir.