Affiliation: | 1. Melanoma Surgical Unit, Department of Surgery, Fondazione IRCCS Istituto Nazionale dei Tumori di Milano, Milan, Italy;2. Bicocca Applied Statistics Center, Università degli Studi di Milano-Bicocca, Milan, Italy;3. Department of Pathology, Fondazione IRCCS Istituto Nazionale dei Tumori di Milano, Milan, Italy;4. Istituto Oncologico Veneto IOV-IRCCS, Padova, Italy;5. Dermatology Clinic of the Turin University Hospital, Turin, Italy;6. University of Perugia, Medical Oncology Unit, Ospedale Santa Maria della Misericordia, Perugia, Italy;7. General and Oncological Surgery Unit, Morgagni-Pierantoni Hospital, Forli, Italy;8. Department of Dermatology, ASST Sette Laghi, Varese, Italy |