1. Division of Melanoma Surgery Sarcoma and Rare Tumors IRCCS Istituto Europeo di Oncologia Milan Italy
2. Division of Dermatology Department of Experimental, Diagnostic and Specialty Medicine Policlinico Sant'Orsola‐Malpighi University of Bologna Italy
3. Division of Melanoma Oncology Sarcoma and Rare Tumors IRCCS Istituto Europeo di Oncologia Milan Italy
4. Dermatologist Private Practice and General Medicine Doctor San Benedetto del Tronto Italy
5. Local Health Authority Livorno Italy