1. Margaret K. Callahan, Michael A. Postow, Neil H. Segal, Alexander Lesokhin, and Jedd D. Wolchok, Memorial Sloan Kettering Cancer Center, and Weill Cornell Medical College, New York, NY; Harriet Kluger and Mario Sznol, Yale University School of Medicine and Smilow Cancer Center, and Yale-New Haven Hospital, New Haven, CT; Michael B. Atkins, Georgetown-Lombardi Comprehensive Cancer Center, Washington, DC; John M. Kirkwood, University of Pittsburgh Medical Center, Pittsburgh, PA; and Suba Krishnan, Rafia...