1. From Massachusetts General Hospital Cancer Center, Harvard Medical School (P.K.B., E.R.G., S.T., J.T., A.J.I., W.T.C., D.P.C., H.A.S., F.G.B.), Dana–Farber Cancer Institute (D.A.R.), and Brigham and Women’s Hospital, Harvard Program in Therapeutic Science, Dana–Farber Partners CancerCare (S.S.) — all in Boston; Alliance Statistics and Data Management Center (E.T., S.G., B.K.), Mayo Clinic (T.J.K., M.W.R., P.D.B., E.G.), Rochester, MN; UC Irvine–Chao Family Comprehensive Cancer Center, Orange, CA (D.A.B....