1. Centro Oncologico ad Alta Tecnologia Diagnostica; Azienda Unità Sanitaria Locale - IRCCS; Reggio Emilia Italy
2. First Department of Dermatology; Aristotle University of Thessaloniki; Thessaloniki Greece
3. Dermatology Unit; Second University of Naples; Naples Italy
4. Department of Dermatology; University of Modena and Reggio Emilia; Modena Italy