1. Unit of Dermatology IRCCS Ospedale San Raffaele Milan Italy
2. Dermatologic Clinic La Sapienza University of Rome Rome Italy
3. Università Vita Salute San Raffaele Milano Italy
4. Centro Oncologico ad Alta Tecnologia Diagnostica Azienda Unità Sanitaria Locale ‐ IRCCS di Reggio Emilia Reggio Emilia Italy
5. Department of Dermatology University of Modena and Reggio Emilia Modena Italy
6. Oncologic and Preventative Dermatology San Gallicano Dermatological InstituteIRCCS Rome Italy
7. Department of Pathology IRCCS Ospedale San Raffaele Milan Italy
8. Melanoma Unit Istituto Dermopatico dell'Immacolata (IDI) Rome Italy
9. Department of Medical Oncology IRCCS Ospedale San Raffaele Milan Italy