1. Department of Dermatology, Koç University School of Medicine, Istanbul, Turkey
2. Department of Dermatology, Istanbul Training and Research Hospital, Health Science University, Istanbul, Turkey
3. Dermatology Clinic, Irmet Hospital, Tekirdağ, Turkey
4. Dermatology Clinic, Kadıköy Florence Nightingale Hospital, Istanbul, Turkey
5. Dermatology Clinic, Bayburt State Hospital, Bayburt, Turkey
6. Department of Dermatology, Biruni university, School of Medicine, İstanbul, Turkey