1. Dermatology Division, Department of Medical, Surgical and NeuroSciences, University of Siena, Siena, Italy
2. Skin Cancer Unit, Arcispedale Santa Maria Nuova, IRCCS, Reggio Emilia, Italy
3. Department of Dermatology, University of Modena and Reggio Emilia, Modena, Italy
4. Melanoma Unit, Department of Dermatology, University of Barcelona, Barcelona, Spain
5. First Department of Dermatology, Aristotle University, Thessaloniki, Greece
6. Dermatology Unit, University of Campania, Naples, Italy
7. Department of Medical Biotechnologies, University of Siena, Siena, Italy