1. School of Medicine, Vita-Salute San Raffaele University, 20132 Milan, Italy
2. Dermatology Clinic, IRCCS San Raffaele Hospital, 20132 Milan, Italy
3. Centro Oncologico ad Alta Tecnologia Diagnostica, Azienda Unità Sanitaria Locale—IRCCS di Reggio Emilia, 42123 Reggio Emilia, Italy
4. Department of Dermatology, University of Modena and Reggio Emilia, 41124 Modena, Italy
5. Department of Health Sciences, Magna Graecia University, 88100 Catanzaro, Italy
6. Department of Medicine, Dermatology Service, Memorial Sloan-Kettering Cancer Center, New York, NY 10021, USA
7. Department of Dermatology, Weill Cornell Medical College, New York, NY 10021, USA
8. Clinical and Experimental Medicine PhD Program, University of Modena and Reggio Emilia, 41124 Modena, Italy
9. Dermatology and Cosmetology Unit, IRCCS San Raffaele Hospital, 20132 Milan, Italy
10. Department of Medicine and Surgery, University of Insubria, 21100 Varese, Italy
11. Dermatology Unit, Department of Clinical Internal Anesthesiologic Cardiovascular Sciences, Sapienza University of Rome, 00185 Rome, Italy