1. From the University of Texas M.D. Anderson Cancer Center, Houston (R.L.C.); University of Chicago Medicine (G.F.F.) and the Robert H. Lurie Comprehensive Cancer Center, Northwestern University (D.C.), Chicago, and AbbVie, North Chicago (D.M.S., B.A.B., S.B., C.K.R., P.J.A., M.H.D.) — all in Illinois; NRG Oncology Statistical and Data Center, Roswell Park Cancer Institute, Buffalo (M.F.B.), and Memorial Sloan Kettering Cancer Center, New York (K.B.-M., C.A.) — both in New York; University of...