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