1 Jedd D. Wolchok, MD, PhD, Memorial Sloan Kettering Cancer Center and Weill Cornell Medical College, New York, NY; Harriet Kluger, MD, Yale University School of Medicine, New Haven, CT; Federico Campigotto, MS, Bristol Myers Squibb, Princeton, NJ; James Larkin, MD, PhD, The Royal Marsden Hospital NHS Foundation Trust, London, United Kingdom; and F. Stephen Hodi, MD, Dana-Farber Cancer Institute, Boston, MA.