Combined Nivolumab and Ipilimumab or Monotherapy in Untreated Melanoma

Royal Marsden Hospital, University of Colorado Denver, Aix-Marseille Université, The University of Sydney, University of Michigan, University of Zurich, University Hospital of Zurich, The Maria Sklodowska-Curie National Research Institute of Oncology, European Institute of Oncology, Trans Tasman Radiation Oncology Group, Singleton Hospital, Melanoma Institute Australia, Blacktown & Mount Druitt Hospital, The Netherlands Cancer Institute, University of Siena, Hospital General Universitario Gregorio Marañón, Peter MacCallum Cancer Centre, The University of Melbourne, Istituto Nazionale Tumori IRCCS "Fondazione G. Pascale", Mater Hospital, Memorial Sloan Kettering Cancer Center, Cornell University, University of Utah, Huntsman Cancer Institute, Yale New Haven Hospital, Yale University, Yale Cancer Center, Smilow Cancer Hospital, Hotel Dieu Hospital, Odense University Hospital, Bristol-Myers Squibb (United States), Dana-Farber Cancer Institute