1 Department of Dermatovenerology, Faculty of Medical Sciences, University of Kragujevac, Kragujevac, Serbia; Department of Dermatovenerology, Clinical Centre of Kragujevac, Kragujevac, Serbia anaravic74@gmail.com.
2 Department of Dermatovenerology, Faculty of Medical Sciences, University of Kragujevac, Serbia; Department of Dermatovenerology, Clinical Centre of Kragujevac, Kragujevac, Serbia.