1 National and Kapodistrian University of Athens Medical School, Attikon University Hospital, Second Department of Dermatology and Venereology, Greece.
2 National and Kapodistrian University of Athens Medical School, Attikon University Hospital, Second Department of Pathology, Greece.
3 National and Kapodistrian University of Athens Medical School, Attikon University Hospital, Second Department of Dermatology and Venereology, Greece. Electronic address: [email protected].