[1] Univ Hosp Zurich, Skin Canc Ctr, Zurich, Switzerland
[2] IRCCS, Ist Europeo Oncol, Milan, Italy
[3] F Hoffmann Roche Ltd, Basel, Switzerland
[4] Hosp Clinicas Porto Alegre, Unidade Pesquisa Clin Oncol, Porto Alegre, RS, Brazil
[5] Gustave Roussy, Villejuif Paris, France
[6] Univ Paris Saclay, Villejuif Paris, France
[7] Ist Nazl Tumori IRCCS Fdn G Pascale, Naples, Italy
[8] IRCCS, Ist Oncol Veneto IOV, Padua, Italy
[9] IRCCS Osped, Policlin San Martino, Genoa, Italy
[10] Onkol Hosp, Donostia San Sebastian, Spain
[11] Orszagos Onkol Int, Budapest, Hungary
[12] Hosp Univ Virgen Macarena, Seville, Spain
[13] Univ Texas MD Anderson Canc Ctr, Dept Melanoma Med Oncol, Houston, TX USA