1. From the Bloomberg–Kimmel Institute for Cancer Immunotherapy and the Sidney Kimmel Comprehensive Cancer Center, Johns Hopkins University School of Medicine, Baltimore (P.M.F., K.N.S., V.A., T.R.C., M.Z., S.C.Y., S.B., R.J.B., J.N., K.A.M., F.V., H.G., J.Z., J.X.C., H.Y.C., J.-W.S., R.B.S., J.W., E.G., H.W., G.L.R., J.M.T., V.E.V., S.L.T., J.R.B., D.M.P.); Memorial Sloan Kettering Cancer Center and Weill Cornell Medicine (J.E.C., M.D.H., D.R.J., M.J.V., N.R., Z.O., V.R., J.D.W., T.M.) and the Ludwig...