1 Department of Dermatology and Venereology, Istanbul University-Cerrahpasa, Cerrahpaşa Medical Faculty, Istanbul, Turkey.
2 Department of Dermatology and Venereology, Istanbul University-Cerrahpasa, Cerrahpaşa Medical Faculty, Istanbul, Turkey. Electronic address: muazzez.oba@istanbul.edu.tr.
3 Department of Pathology, Istanbul University-Cerrahpasa, Cerrahpasa Medical Faculty, Istanbul, Turkey.