1 Department of Dermatology, Yuzuncu Yil University, Faculty of Medicine, Van, TurkeyDepartment of Dermatology, Ataturk University, Faculty of Medicine, Erzurum, TurkeyDepartment of Dermatology Istanbul Medeniyet University Goztepe Research and Training Hospital, Istanbul, TurkeyDepartment of Pediatric, Yuzuncu Yil University, Faculty of Medicine, Van, Turkey.