1. 1st University Department of Dermatology - Venereology; “Andreas Sygros” Hospital; National and Kapodistrian University of Athens Medical School; Athens Greece
2. Department of Histopathology; “Andreas Sygros” Hospital; Athens Greece
3. 2nd Department of Dermatology and Venereology; “Attikon” General University Hospital; National and Kapodistrian University of Athens Medical School; Athens Greece