1. Centro Oncologico ad Alta Tecnologia Diagnostica, Azienda Unità Sanitaria Locale–IRCCS di Reggio Emilia, Reggio Emilia, Italy
2. First Dermatology Department, Aristotle University of Thessaloniki, Thessaloniki, Greece
3. Dermatology Unit, University of Campania Luigi Vanvitelli, Naples, Italy
4. Department of Dermatology, University of Modena and Reggio Emilia, Modena, Italy