[1] Univ & Spedali Civili, Dept Dermatol, Brescia, Italy
[2] Ist Nazl Tumori, Head & Neck Canc Unit, I-20133 Milan, Italy
[3] Univ Cattolica Sacro Cuore, Dept Dermatol, I-00168 Rome, Italy
[4] Ist Clin Humanitas IRCCS, Humanitas Canc Ctr, Rozzano, Italy
[5] Ist Nazl Tumori Fdn G Pascale, Melanoma Canc Immunotherapy & Innovat Therapies, Naples, Italy