Author information: (1)Soft-Tissue, Peritoneum and Melanoma Surgical Oncology Unit, Veneto Institute of Oncology IOV- IRCCS, 35128, Padua, Italy. (2)Department of Surgery, Oncology and Gastroenterology (DiSCOG), University of Padua, Padua, Italy. (3)Soft-Tissue, Peritoneum and Melanoma Surgical Oncology Unit, Veneto Institute of Oncology IOV- IRCCS, 35128, Padua, Italy. paolo.delfiore@iov.veneto.it. (4)Fondazione IRCCS Istituto Nazionale Dei Tumori, Melanoma and Sarcoma Unit, Milan, Italy. (5)Department of Dermatologic Surgery, Città della Salute e della Scienza, Turin, Italy. (6)Department of Medical Sciences, Clinic of Dermatology, University of Turin, Turin, Italy. (7)Dermatologic Surgery Section, Oncologic Department, "Città Della Salute E Della Scienza Di Torino" University Hospital, Turin, Italy. (8)SOC Chirurgia Plastica Ricostruttiva E Melanoma & Skin Cancer Unit, Osp. SM Annunziata, AUSL Toscana Centro, Florence, Italy. (9)U.O.C. Di Chirurgia Plastica Ricostruttiva E Centro Ustioni Policlinico, University of Bari, Bari, Italy. (10)Corrado Caracò M.D., Struttura Complessa Chirurgia Oncologica Melanoma - Istituto Nazionale Tumori-Fondazione "G. Pascale", Naples, Italy. (11)Department- of Surgical Oncologic and Stomatologic Sciences, University of Palermo, Palermo, Italy. (12)Chirurgia Ospedaliera 1 Ospedale Policlinico San Martino, Genoa, Italy. (13)Chirurgia Generale 1, Ospedale Papa Giovanni XXIII, Bergamo, Italy. (14)Chirurgia E Terapie Oncologiche Avanzate Ospedale "GB.Morgagni-L.Pierantoni" - AUSL Forlì, Forlì, Italy. (15)UOC Chirurgia II Azienda Ospedaliera Universitaria Di Ferrara, Ferrara, Italy. (16)Dermatology Unit, Department of Specialistic Medicine, ASST Dei Sette Laghi, Varese, Italy. (17)M.D. S. C. Chirurgia Generale ASST Carlo Poma, Mantua, Italy.