1. Department of Histopathology; Hippokration General Hospital; Thessaloniki Greece
2. Skin Cancer Unit, Arcispedale Santa Maria Nuova-IRCCS; Reggio Emilia Italy
3. Clinical Genetics Unit, Arcispedale Santa Maria Nuova-IRCCS; Reggio Emilia Italy
4. Pathology Unit, Arcispedale Santa Maria Nuova-IRCCS; Reggio Emilia Italy